Crow Creek Challenge 2020 Published Oct. 8, 2020 By Staff Sergeant Nicole Reed 90th Missile Wing Public Affairs F. E. WARREN AIR FORCE BASE, Wyo. -- Senior Airman Austin Riley, 90th Missile Security Operations Squadron response force member, high crawls during his team’s first obstacle of the Crow Creek Challenge Oct. 1, 2020, at F. E. Warren Air Force Base, Wyo. Other challenges teams were faced with included a HMMWV push, vehicle searches, clearing a shoot house and various calisthenic exercises. (U.S. Air Force photo by Staff Sergeant Nicole Reed)