The first test was conducted on September 13, 1985, when the United States conducted its first anti-satellite test. On September 13, 1985, the U.S. Department of Defense announced that the U.S. Air Force had successfully carried out its first anti-satellite test with an abandoned scientific satellite as a target. The anti-satellite weapon was 30 cm long, placed on a carrying rocket, and launched into space from an F-15 jet fighter flight at a height of 12,000 meters. The anti-satellite weapon was launched on a near-space edge, and hit an old satellite operating on an abandoned scientific satellite as a target in the Pacific as well. The anti-satellite weapon F-15 was launched from the U.S. Air Force base in Edwards, California, when it