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Reports by Keyword(s)LAUNCHING
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A Tracer Analysis for the M1002 Training Projectile Sep-2009 20 pages
Authors:  James Garner; Xaiogang Huang; Jason Mishock; John Kostka; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE
The full text of this report is available for sale.Testing to qualify the M1002 round was conducted in FY08. The M1002 round has met its accuracy requirements as a training round to replace the M831A1. The present configuration achieves acceptable performance but could be improved. This report provides an understanding of some of the tracer's launch conditions, which are important in determining what might be done to further improve tracer performance.


NPS CubeSat Launcher Program Management Sep-2009 90 pages
Authors:  Christina M Hicks; NAVAL POSTGRADUATE SCHOOL MONTEREY CA SPACE SYSTEMS ACADEMIC GROUP
The full text of this report is available for sale.The purpose of this thesis is to document my activities related to managing the design, analysis, construction, testing, and integration of a qualification and, possibly, a flight article in support of the NPS CubeSat Launcher (NPSCuL) project. This thesis will describe the process, experience, and results of managing the NPSCuL program, including the program budget and schedule in support of a flight opportunity as early as August 2010. NPSCuL is ...


NPS CubeSat Launcher Design, Process and Requirements Jun-2009 129 pages
Authors:  Matthew R Crook; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.Access to space has always been a challenge, especially for organizations with limited budgets. In the last decade a group of universities has overcome many of the obstacles associated with placing experiments on orbit by using a nano-satellite standard called the CubeSat. In addition to universities many private, commercial, and government organizations are now coming to appreciate the advantages of the CubeSat standard resulting in rapid growth in the CubeSat ...


Integration and Environmental Qualification Testing of Spacecraft Structures in Support of the Naval Postgraduate School CubeSat Launcher Program Jun-2009 119 pages
Authors:  Adam C DeJesus; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The purpose of this thesis is to document the process of designing, constructing, and testing a qualification article in support of the NPS CubeSat Launcher (NPSCuL) project, in the NPSCuL-Lite configuration. NPSCuL-Lite is designed to launch a significant volume of CubeSats into orbit in a single launch. The NPSCuL-Lite will be a secondary payload on U.S. launch vehicles, and will be attached to the launch vehicle via the EELV Secondary ...


Assistance to North Korea 20-May-2009
Authors:  Mary B Nikitin; Mark E Manyin; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Since 1995, the United States has provided North Korea with over $1.2 billion in assistance, about 60% of which has paid for food aid and about 40% for energy assistance. U.S. aid fell significantly in the mid-2000s, bottoming out at zero in 2006. The Bush Administration resumed energy aid in the fall of 2007, after progress was made in the Six-Party Talks over North Koreas nuclear program. The Six-Party Talks ...


Navy Ford (CVN-78) Class Aircraft Carrier Program: Background and Issues for Congress 17-Apr-2009
Authors:  Ronald O'Rourke; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.CVN-78 and CVN-79 are the first two ships in the Navy's new Gerald R. Ford (CVN-78) class of nuclear-powered aircraft carriers. CVN-78: CVN-78 was procured in FY2008, and is scheduled to enter service in 2015. The ship?s procurement cost was estimated in the FY2009 budget at about $10.5 billion in then-year dollars. Although CVN-78 was procured in FY2008, it is being funded with four-year incremental funding across FY2008-FY2011, and the ...


Ascent Particle Filter Molecular Conductance Study 06-Apr-2009 39 pages
Authors:  Keith R Olson; Kelsey A Folgner; Randy M Villahermosa; AEROSPACE CORP EL SEGUNDO CA
The full text of this report is available for sale.Ascent particle filters on enclosures containing space hardware, such as electronics boxes, regulate venting of these enclosures during launch and ascent. While allowing venting to occur, these filters prevent the transport of particles into and out of the enclosures. Particle filters are primarily chracterized with respect to the flow of gas through the filter; the conductance of outgassed molecules is not quantified. This report documents a series of tests performed ...


A Study of the Engraving of the M855 5.56-mm Projectile Mar-2009 30 pages
Authors:  Robert Kaste; Joseph South; Aristedes Yiournas; JOHN BROWN; Jordan Wagner; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE
The full text of this report is available for sale.The interaction between a small-caliber projectile and its weapon system cannot be readily measured during the launch event. The forces and resulting deformations on the projectile due to engraving are small and localized compared to the ballistic pressure. Consequently, the interaction is inferred from the condition of the projectile after it has exited the barrel. A direct method of examining the engraving force and the resulting projectile deformation is through ...


The Use of Spider Webs as Passive Bioaerosol Collectors Mar-2009 96 pages
Authors:  Daniel I Mattei; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH GRADUATE SCHOOL OF ENGINEERING AND MANAGEMENT
The full text of this report is available for sale.In this experiment, spider webs demonstrated their suitability as passive bioaerosol collectors. For spider webs to be considered suitable passive collectors webs had to satisfy three basic conditions; (1) collection of microorganisms without discrimination based on species or size, (2) collection under variable environmental conditions, and (3) saturation avoidance in the presence of strong microbial launching sources. Four field sampling locations were used, a waste water treatment facility, a commercial ...


Probability of Kill for VLA ASROC Torpedo Launch Mar-2009 63 pages
Authors:  Stephen J Valerio; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The purpose of this thesis is to generate a tactical decision aid (TDA) capable of calculating the probability of kill of a submarine when targeted with a vertical launched (VLA) anti-submarine rocket propelled torpedo (ASROC). In determining the submarine specific probability of kill (Pk), the Passive Contact Tracker and Kill Probability (PACT-AKP) TDA will calculate the submarine's position and its area of uncertainty (AOU) based on single or multiple ASW ...


Iran's Ballistic Missile Programs: An Overview 04-Feb-2009
Authors:  Steven A Hildreth; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Iran has an active interest in developing, acquiring, and deploying a broad range of ballistic missiles, as well as developing a space launch capability. This was spotlighted several times since 2008. In mid-July 2008, Iran launched a number of ballistic missiles during military exercises, reportedly including the medium-range Shahab-3. At the time, a Pentagon spokesman said Iran was not testing new technologies or capabilities, but rather firing off old equipment ...


NAVAIR Corrosion Overview Feb-2009 26 pages
Authors:  Frederick Lancaster; NAVAL AIR ENGINEERING CENTER LAKEHURST NJ
The full text of this report is available for sale.MATERIALS ENGINEERING: Serving Naval Aviation Enterprise Needs. A full spectrum approach - S&T, Acquisition and sustainment technologies fully integrated for all aerospace systems: Air Vehicles * Propulsion * Weapon Systems * Avionics and Sensors * Aircraft Launch and Recovery Equipment * Support Equipment.


Progress on a Portable Rubidium Fountain Frequency Standard 01-Dec-2008 9 pages
Authors:  S R Jefferts; T P Heavner; P D Kunz; NATIONAL INST OF STANDARDS AND TECHNOLOGY BOULDER CO TIME AND FREQUENCY DIV
The full text of this report is available for sale.We are developing a simple and transportable laser-cooled rubidium (Rb) atomic fountain frequency standard. The optical package for this system uses DFB (distributed feedback) diode lasers and a frequency offset locking scheme to generate the optical frequencies needed for laser-cooling, launching, post-cooling, and detection of Rb atoms. This atomic fountain will be useful as a transfer standard and secondary standard for calibrating nontransportable frequency standards, as well as a measurement ...


Fixing the Nation's Space Launch Woes: Operationally Responsive Space for Tomorrow's Joint Force Commander-Panacea or Pipedream 30-Oct-2008 24 pages
Authors:  Scott D Peel; NAVAL WAR COLL NEWPORT RI JOINT MILITARY OPERATIONS DEPT
The full text of this report is available for sale.The recent formation of a comprehensive Operationally Responsive Space (ORS) program is a critical first step in addressing the long-recognized inability of the nation to respond to emergent space needs of the warfighters in an adaptive and operationally- relevant timeframe. A proper assessment of the initial ORS source documents is crucial in identifying the key ORS elements and determining if Joint Functional Commander requirements will be better met by the ...


Chemical Characterization of the Pyrotechnically Disseminated 66MM Red Phosphorous Smoke Screening IR, Vehicle Launched Grenade 01-Jul-2008 61 pages
Authors:  Mark V Haley; Kathy L Matson; Charles L Crouse; Emily A Davis; David A McCaskey; EDGEWOOD CHEMICAL BIOLOGICAL CENTER ABERDEEN PROVING GROUND MD
The full text of this report is available for sale.The United States Marine Corps established a new program, the 66mm Smoke Screening IR, Vehicle Launched MK1 MODO, for the redesign of the previously fielded 66mm M76 grenade. Although the M76 grenades provided effective screening in the visual and thermal IR wavebands, there were considerable safety, health, and environmental concerns associated with the manufacturing and operation of the grenades. Red Phosphorous (RP) has been widely used in many screening applications ...


An Operationally Responsive Space Architecture for 2025 22-Jun-2008 91 pages
Authors:  Rob Atkins; Aaron Bass; Mike Francis; Dave Jablonski; Jeff Nelson; Zeke Poiro; Craig Richardson; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The distance learning team was tasked to produce an architecture that would best support future Operationally Responsive Space requirements in the 2025 timeframe. The 'bottom line up front' to this analysis showed that the current space architecture already provides some level of responsiveness. However, ORS will demand modifications of the current space architecture vice certain pre-conceived notions of quick launch or a separate ORS architecture altogether. The team developed a ...


Operationally Responsive Space: Creating Responsive Space for America 20-Jun-2008 135 pages
Authors:  Brian Anderson; Samuel Messer; Gerry Gleckel; Gregory Fitzgearld; Mathew Crook; Corey Collier; Alexander Braszko; Alexander Bein; Richard Arledge; Phillip Smith; NAVAL POSTGRADUATE SCHOOL MONTEREY CA SPACE SYSTEMS ACADEMIC GROUP
The full text of this report is available for sale.Tactical space support has earned a reputation as unresponsive and the Operationally Responsive Space Office was created in 2007 to address this for the military. The intent of this course project is to use an educational research approach to develop a future architecture that will make space responsive in 2025. This paper evaluates the shortcomings that hinder quick and effective space-based support to the U.S. Military and Intelligence Community. The ...


Operationally Responsive Space (ORS) Architecture for the Year 2025 15-Jun-2008 109 pages
Authors:  K Hansen; M Widmann; B Hatcher; J Kacala; J Rayburn; J Turner; M Senn; S Ledoux; S Kennedy; J Carson; NAVAL POSTGRADUATE SCHOOL MONTEREY CA SPACE SYSTEMS ACADEMIC GROUP
The full text of this report is available for sale.The Unites States' first space systems programs were initially developed to meet the requirements of strategic users. Since the 1991 Gulf War there has been a growing dependence on the capabilities and support delivered by these programs to meet the requirements of nonstrategic users. The current National Security Space (NSS) architecture makes it rather difficult for all but critical strategic users to fully capitalize on the available assets. Timelines that ...


Road to a National Political Strategy for Missile Defense of Europe 13 JUN 2008 76 pages
Authors:  Jr Reidy Timothy P.; ARMY COMMAND AND GENERAL STAFF COLL FORT LEAVENWORTH KS
The full text of this report is available for sale.One of the best ways to prevent the impact of a weapon of mass destruction is to prevent its delivery. Ballistic missile delivery of a weapon of mass destruction remains one of the most difficult threats to counter. This is partly due to technology and partly due to politics and economics. The ground based anti-ballistic missile system being prepared for installation in Europe is the most promising technology for a ...


Launch Survivability Analysis of On-board Components of the Extended Area Protection and Survivability (EAPS) Projectile System JUN 2008 46 pages
Authors:  Michael M. Chen; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE
The full text of this report is available for sale.This report focuses on the ability of on-board electronics generally required for precision projectiles to survive pressure waves that occur in early combustion phase for most propelling charges because of pressure imbalance in the chamber. The modeling of pressure waves was achieved by a deterministic transient excitation followed by a stochastic approach. The responses of the on-board electronic components were found to be significant when pressure waves were taken into ...


China and Proliferation of Weapons of Mass Destruction and Missiles: Policy Issues 13 DEC 2007
Authors:  Shirley A. Kan; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Congress has long been concerned about whether U.S. policy advances the national interest in reducing the role of the People s Republic of China (PRC) in the proliferation of weapons of mass destruction (WMD) and missiles that could deliver them. Recipients of China s technology reportedly include Pakistan and countries that the State Department says support terrorism, such as Iran and North Korea. This CRS Report, updated as warranted, discusses ...


Alkylating Derivatives of Vitamin D Hormone for Prostate Cancer 01-Oct-2007 19 pages
Authors:  Rahul Ray; BOSTON UNIV MEDICAL CENTER MA
The full text of this report is available for sale.The two most significant achievements in this reporting period are : launching of studies to evaluate the molecular mechanism/s of action of. I 25-dihydroxyvitamin D3-3-bromoacetate (I 25(OH)2D3-3-BE) and development of an androgen- sensitive mouse model of human prostate cancer. In addition we have screened several cancer cell lines to determine potential efficacy of I 25(OH)2D3-3-BE in cancers in addition to prostate cancer.


Electromagnetic Launch Optical Telemetry Feasibility Study OCT 2007 16 pages
Authors:  P. Snowden; S. J. Levinson; TEXAS UNIV AT AUSTIN INST FOR ADVANCED TECHNOLOGY
The full text of this report is available for sale.Results of a preliminary study to evaluate the feasibility of optical telemetry on an EM launched projectile are discussed. At issue are the relative intensities of the optical noise received in the MCL catch tank from the muzzle flash versus the narrowband optical signal levels generated from tiny emitters onboard a projectile after being launched in the MCL.


Preliminary Analysis of Particulate Infiltration into Space System Volumes 30 SEP 2007 24 pages
Authors:  De-Ling Liu; Kenneth T. Luey; AEROSPACE CORP EL SEGUNDO CA LAB OPERATIONS
The full text of this report is available for sale.To understand the dynamics of airborne particulate intrusion into a simulated space telescope and other space system volumes, a simple model was developed to predict the extent to which ambient particles penetrate through vent holes and enter the volume interiors after the purge is off. This report describes the mathematical modeling analysis, experimental data from laboratory studies, and field measurements from launch processing. It was found that the characteristic time ...


Characterization of Graphite Lithium-Ion Cells SEP 2007 119 pages
Authors:  Steven D. Moseley; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.This thesis explores the characterization of graphite lithium-ion cells. A control procedure was performed to ensure any capacity loss or gain seen in tests was not the result of cell cycling. Vibration testing of the cells on all three axes to simulate the spacecraft launch environment showed a slight increase in capacity after vibration. Cell capacity was measured at two current rates at a variety of temperatures to obtain a ...


Automated Alerting for Black Hole Routing SEP 2007 139 pages
Authors:  Vinay Puri; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.Distributed/Denial of Service (DIDoS) attacks are the most common and easy-to- launch attacks against a computer or network. Once a DIDoS attack is recognized, there are several methods available to mitigate its impact One of the methods is to drop the attacker's traffic at the edge of the network via Null Routing-also called Black Hole Routing (BHR). BHR is more efficient than the creation and processing of access control lists. ...


MDA Ice Detection and Measurement Camera Development and Validation for NASA-KSC (2004-2007) 17 AUG 2007 102 pages
Authors:  Thomas Meitzler; Darryl Bryk; Euijung Sohn; Mary Bienkowski; Kimberly Lane; Michele Charbeneau; Gregory Smith; James Ragusa; ARMY RESEARCH DEVELOPMENT AND ENGINEERING COMMAND WARREN MI
The full text of this report is available for sale.The formation of frost, ice, and ice balls are common occurrences on the insulated External Tank (ET) of the Space Transportation System (STS) during National Aeronautics and Space Administration (NASA)-Kennedy Space Center (KSC), Florida launch preparations. The metal ET tank, 154 ft. tall and 27.5 ft. in diameter, is covered by insulating Sprayed On Foam Insulation (SOFI). However, internal ET fuel and oxidizer tanks contain large quantities of cryogens-in this ...


Defense Acquisitions: Navy Faces Challenges Constructing the Aircraft Carrier Gerald R. Ford within Budget AUG 2007 58 pages
Authors:  Paul L. Fracnis; Karen Zuckerstein; Lisa L. Beradi; Diana Moldafsky; Moshe Scwhzart; Alyssa Weir; GOVERNMENT ACCOUNTABILITY OFFICE WASHINGTON DC
The full text of this report is available for sale.As a result of a substantial investment of time and money, the Navy has reduced the risks associated with a number of essential technologies, including the nuclear propulsion and electric plant. At this time, several technical risks that could lead to increased construction costs and potentially result in capability reductions still remain. In particular, the electromagnetic aircraft launch system (EMALS), the advanced arresting gear, and the dual band radar face ...


Final Development, Testing, and Flight Preparation of the Rigidizable Get-Away-Special Experiment (RIGEX) JUN 2007 366 pages
Authors:  Zachary R. Miller; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH DEPT OF AERONAUTICS AND ASTRONAUTICS
The full text of this report is available for sale.The purpose of this research is to support the final development of the Rigidizable Inflatable Get-Away-Special Experiment (RIGEX). The RIGEX program is an experimental initial step in developing large-scale rigidizable inflatable structures, which can be utilized in space applications. The primary intent of RIGEX is to verify and validate ground testing of inflation and rigidization methods for inflatable space structures against a zero-gravity space environment. This is performed by designing ...


Prioritizing Satellite Payload Selection via Optimization MAR 2007 128 pages
Authors:  Benjamin S. Kallemyn; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH GRADUATE SCHOOL OF ENGINEERING AND MANAGEMENT
The full text of this report is available for sale.This thesis develops optimization models for prioritizing payloads for inclusion on satellite buses with volume, power, weight and budget constraints. The first model considers a single satellite launch for which the budget is uncertain and constellation requirements are not considered. Subsequently, we include constellation requirements and provide a more enhanced model. Both single-launch models provide a prioritized list of payloads to include on the launch before the budget is realized. ...


Quick-Turn Finite Element Analysis for Plug-and-Play Satellite Structures MAR 2007 118 pages
Authors:  Jeffrey E. Naff; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT
The full text of this report is available for sale.Plug-and-play (PnP) satellite construction is a key component of the US Air Force Operational Responsive Space (ORS) effort. The goal of ORS is to provide mission specific satellite support by configuring and launching a satellite to a selected orbit within days of the request. One major challenge during the time limited process is to accurately predict the response of the satellite to harmonic loads that occur during launch and satellite ...


China and Proliferation of Weapons of Mass Destruction and Missiles: Policy Issues 31 JAN 2007
Authors:  Shirley A. Kan; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Congress has long been concerned about whether U.S. policy advances the national interest in reducing the role of the People's Republic of China (PRC) in the proliferation of weapons of mass destruction (WMD) and missiles that could deliver them. Recipients of China's technology reportedly include Pakistan and countries that the State Department says support terrorism, such as Iran and North Korea. This CRS Report, updated as warranted, discusses the national ...


NATO's Prague Capabilities Commitment 24 JAN 2007
Authors:  Carl Ek; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.With the end of the Cold War, NATO began to reassess its collective defense strategy and to anticipate possible new missions. The conflicts in the Balkans highlighted the need for more mobile forces, for technological equality between the United States and its allies, and for interoperability. In 1999, NATO launched the Defense Capabilities Initiative (DCI), an effort to enable the alliance to deploy troops quickly to crisis regions, to supply ...


New Again: Innovative Missions for 21st Century American Airships Jan-2007 29 pages
Authors:  Daniel T Bilko; MARINE CORPS UNIV QUANTICO VA SCHOOL OF ADVANCED WARFIGHTING (SAW)
The full text of this report is available for sale.Airships have great potential to support 21st Century American military operations in a wide variety of missions. The US should embrace airships and take the necessary steps to ensure its armed forces gain the greatest advantage from these unique platforms. Recent improvements in structural technology, propulsion systems, avionics, and sensors have greatly increased the performance of airships. Airships can be used to perform an expanding list of missions, including: intelligence, ...


Managing the Service Supply Chain in the Department of Defense: Opportunities and Challenges 30-Dec-2006 76 pages
Authors:  Uday Apte; Ira Lewis; Geraldo Ferrer; Rene Rendon; NAVAL POSTGRADUATE SCHOOL MONTEREY CA GRADUATE SCHOOL OF BUSINESS AND PUBLIC POLICY
The full text of this report is available for sale.The services acquisition volume in the US Department of Defense (DoD) has continued to increase in scope and dollars in the past decade. Between FY 1999 to FY 2003, DoD's spending on services increased by 66%, and in FY 2003, the DoD spent over $118 billion (or approximately 57% of total DoD procurement dollars) on services. In recent years, the DoD has spent more on services than on supplies, equipment ...


Post-Launch Support for DMSP SSIES Sensors 07 DEC 2006 11 pages
Authors:  R. A. Heelis; TEXAS UNIV AT DALLAS RICHARDSON
The full text of this report is available for sale.This report summarizes activities related to the support of immediate post-launch activities related to the evaluation of sensor performance for the Special Sensor for Ions, Electrons, and Scintillation (SSIES) that is flown on the the Defense Meteorological Satellite Program (DMSP). The thermal plasma sensors that constitute the SSIES instrument complement provide measurements that describe the composition, velocity, and temperature of the ions and electrons. Each sensor has operational variables that ...


Development of an Artillery Accuracy Model DEC 2006 113 pages
Authors:  Chee M. Fann; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF MECHANICAL AND ASTRONAUTICAL ENGINEERING
The full text of this report is available for sale.This thesis explains the methodologies that predict the trajectory and accuracy of an unguided, indirect-fire launched projectile in predicted fire. The trajectory is the path that a projectile travels to the impact point, while the accuracy is the measurement of the deviation of the impact point from the target. In addition, this thesis describes, the methodology for calculating the various factors such as drag and drift in the trajectory calculation. ...


Successful Theater Missile Defense: Decentral Execution of National Priorities 23 OCT 2006 23 pages
Authors:  David R. Bradley; NAVAL WAR COLL NEWPORT RI JOINT MILITARY OPERATIONS DEPT
The full text of this report is available for sale.The merger of National, Theater and Cruise missile defense into the Integrated Missile Defense (IMD) architecture is flawed in how it addresses the regional threat posed by theater ballistic missiles. Theater ballistic missiles provide little or no prior warning to launch and have significantly shorter flight times than inter-continental ballistic missiles. The centralized command and control system evolving for the IMD architecture is sub-optimized for theater missile threat characteristics. This ...


Classifying Launch/Impact Events of Mortar and Artillery Rounds Utilizing DWT Derived Features and Feedforward Neural Networks 01 OCT 2006 50 pages
Authors:  Myron E. Hohil; Sachi Desai; Amir Morcos; ARMY ARMAMENT RESEARCH DEVELOPMENT AND ENGINEERING CENTER PICATINNY ARSENAL NJ
The full text of this report is available for sale.Feature extraction methods based on the discrete wavelet transform (DWT) and multiresolution analysis are used to develop a robust classification algorithm that reliably discriminates between launch and impact artillery and/or mortar events via acoustic signals produced during detonation. Distinct characteristics are found within the acoustic signatures since impact events emphasize concussive and shrapnel effects, while launch events are similar to explosions, designed to expel and propel artillery round from a ...


Efficient Multiple Hypothesis Track Processing of Boost-Phase Ballistic Missiles Using IMPULSE -Generated Threat Models SEP 2006 109 pages
Authors:  Bert Rakdham; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.In this thesis, a multiple hypotheses tracking (MHT) algorithm is developed to successfully track multiple ballistic missiles within the boost phase. The success of previous work on the MHT algorithm and its application in other scientific fields enables this study to realize an efficient form of the algorithm and examine its feasibility in tracking multiple crossing ballistic missiles even though various accelerations due to staging are present. A framework is ...


Mathematical Modeling of Rail Gun SEP 2006 99 pages
Authors:  Nikolaos Pratikakis; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The exit velocity of the launch object along with the values of electric and thermal conductivity at the interfaces between the rails and the armature of a rail gun are critical issues. This thesis, using finite element method, estimates the former by solving the proper multiphysics governing equations along with exploiting the contact theory between flat surfaces. A parametric analysis in the vicinity of the standard deviation of the normalized ...


Structural Design and Analysis of Initial Extended Area Protection and Survivability (EAPS) Projectile Configurations AUG 2006 36 pages
Authors:  Michael M. Chen; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE
The full text of this report is available for sale.A mission program named Extended Area Protection and Survivability was initiated at the U.S. Army Research Laboratory to demonstrate guided ammunition technologies to defend the battle space against any presented targets, such as mortars, rockets, and artillery. This report introduces the first step in the development of the guided ammunition system. It presents high-level physics-based simulations of a 60-mm projectile system. The topology of the initial projectile was developed on ...


U.S. Space Programs: Civilian, Military, and Commercial 13 JUN 2006
Authors:  Patricia M. Figliola; Carl E. Behrens; Daniel Morgan; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.The 109th Congress is addressing a broad range of civilian, military, and commercial space issues. The National Aeronautics and Space Administration (NASA) conducts the most visible space activities. For FY2006, NASA received $16.623 billion when adjusted for two rescissions and an augmentation for hurricane recovery. The FY2007 request is $16.792 billion. The future of the U.S. human space flight program is dominating debate about NASA. The space shuttle returned to ...


Environmental Assessment - Construct a Ground-to-Air Transmitter and Receiver (GATR) Facility at Grand Forks Air Force Base 06 JUN 2006 88 pages
Authors:  319 CIVIL ENGINEER SQUADRON GRAND FORKS AFB ND
The full text of this report is available for sale.The United States Air Force (USAF) proposes to construct a Ground-to-Air Transmitter and Receiver (GATR) facility on Grand Forks Air Force Base (AFB), North Dakota. The Communication Squadron is preparing to install new GATR communication antennas and systems, for tactical aircraft control and commercial air traffic control. The antennas are used to provide quick deployment and high-bandwidth communications in remote, hard-to-reach areas. These systems allow operators in central locations to ...


Unsteady Casewall Pressure Measurements in a Transonic Compressor during Steam Induced Stall JUN 2006 111 pages
Authors:  William R. Levis; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.During launch of aircraft off of a carrier deck, steam leakage is sometimes ingested into the aircraft's engine and may cause a compressor stall or pop-stall . As the US Navy prepares to field the single engine F-35C Joint Strike Fighter, it becomes necessary to investigate the phenomenon known as pop-stall . In the present study, steady-state as well as transient measurements prior to and during a steam induced rotating ...


Environmental Support to Space Launch 31 MAY 2006 62 pages
Authors:  Sheryl F. Thorp; Mike Kapel; BOSTON COLL CHESTNUT HILL MA INST FOR SCIENTIFIC RESEARCH
The full text of this report is available for sale.We investigated environmental impacts to space launch at the Eastern and Western Ranges. In order to develop a truly responsive launch capability significant research needs to be conducted in specification and prediction of the atmosphere below 50,000 ft. Present research shows that weather is the leading cause of cancelled space launches (51% at Eastern Range and 58% at Western Range). The ability to forecast weather in support of current requirements ...


The Effects of Using Solar Radiation Pressure to Alleviate Fuel Requirements for Orbit Changing and Maintenance of the DSCS II F-13 Satellite MAR 2006 155 pages
Authors:  Jody A. Paris; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT
The full text of this report is available for sale.Orbit disposal and maintenance of aging satellites has become a significant concern over the past few years, as the increasing number of orbiting objects threatens to limit the launching of future satellites. Many of the satellites currently in orbit, however, were not built with disposal considerations. The DSCS II series was launched into orbit beginning in the 1970s, and many satellites are now without the fuel required to conventionally transition ...


Discrete Event Simulation Model of the Ground Maintenance Operations Cycle of a Reusable Launch Vehicle MAR 2006 249 pages
Authors:  John T. Pope III; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT
The full text of this report is available for sale.The Air Force uses a family of expendable launch vehicles to meet its spacelift needs. Unfortunately, this method is not responsive: months of preparation are typically required and launch costs are high. Consequently, the Air Force seeks a reusable military launch vehicle that can be launched inexpensively and quickly regenerated between flights. Air Force Research Laboratory personnel desire a tool to help evaluate candidate designs and perform tradeoff studies necessary ...


Development and Testing of an Inflatable, Rigidizable Space Structure Experiment MAR 2006 220 pages
Authors:  Sarah K. Helms; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT/DEPT OF ENGINEERING PHYSICS
The full text of this report is available for sale.Many recent space technology concepts require large space structures such as solar arrays and large aperture antennas; however, tight constraints on payload mass and volume often preclude their launch. Employing inflatable, rigidizable structures can reduce mass and volume while providing sufficient packing flexibility and structural stiffness. AFIT has developed RIGEX to flight-test this type of structure. RIGEX will test the deployment and structural characteristics of three thermoplastic composite Sub-Tg tubes. ...


NASA's Space Shuttle Program: The Columbia Tragedy, the Discovery Mission, and the Future of the Shuttle 04 JAN 2006
Authors:  Marcia S. Smith; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.On August 9, 2005, the space shuttle Discovery successfully completed the first of two "Return to Flight" (RTF) missions - STS-114. It was the first shuttle launch since the February 1, 2003, Columbia tragedy. NASA announced on July 27, 2005, the day after STS-114's launch, that a second RTF mission would be indefinitely postponed because of a problem that occurred during Discovery's launch that is similar to what led to ...


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