High Quality Content by WIKIPEDIA articles! Anti-satellite weapons (ASAT) are designed to incapacitate or destroy satellites for strategic military purposes. Currently, only the United States, the former Soviet Union, and the People`s Republic of China are known to have developed these weapons. On September 13, 1985, the United States destroyed US satellite P78-1 using an ASM-135 ASAT anti-satellite missile. On January 11, 2007, China destroyed an old Chinese orbiting weather satellite. A year later on February 21, 2008, USA destroyed a malfunctioning US spy satellite USA-193 using a RIM-161 Standard Missile 3.