The 77th Weapons Squadron (77 WPS) is a United States Air Force unit assigned to the USAF Weapons School, stationed at Dyess Air Force Base, Texas.The 77th WPS is a Geographically Separated Unit (GSU) of the 57th Wing, assigned to Nellis AFB, Nevada. The mission of the squadron is to provide B-1 Lancer instructional flying.The unit activated on 15 January 1941 at Fort Douglas, Utah.