U.S. Air Force Tech. Sgt. Oscar Chavez, 433rd Civil Engineer Squadron explosive ordinance disposal technician, does pushups as part of a memorial ruck at Peterson Space Force Base, Colorado, May 6, 2022. The Airmen wore their ruck gear as they completed 30 pushups, 30 sit-ups and 30 air squats. (U.S. Space Force photo by Airman 1st Class Brooke Wise)