Complex sentence: On 18 November 2011, the first Advanced Hypersonic Weapon (AHW) glide vehicle was successfully tested by the U.S. Army Space and Missile Defense Command, as part of the Prompt Global Strike program.
Split into simpler sentences: On 18 November 2011, the Advanced Hypersonic Weapon (AHW) glide vehicle was successfully tested. The AHW project is managed by the U.S. Army Space and Missile Defense Command and is part of the Prompt Global Strike program.