Ready for the challenge
Staff Sgt. Matthew Zimmer pumps out as many push-ups as he can during the physical fitness portion of the Survival, Evasion, Resistance and Escape Challenge June 13 at Fairchild Air Force Base, Wash. The challenge, open to all Guardian Angel Weapon System personnel, includes SERE specialists, combat rescue officers and pararescuemen. Sergeant Zimmer and Staff Sgt. Michael Garcia, both SERE instructors and water survival specialists, were the winners of SERE Challenge. (U.S. Air Force photo/Staff Sgt. Matthew Rosine)