Phase II of the Laser Beamrider Countermeasures program is complete. Phase II consisted of static tests where antiaircraft missiles were exposed to detonating 4Omm and 7Omm warheads. All of the tested missiles received significant damage. Also some dynamic tests occurred where the effects of these detonating warheads on the flights of missiles were observed. For those tests where the detonations were properly timed the missiles failed to reach the target. ...