A participant does a pullup during a Memorial Day Murph and Pararescue Workout event at Joint Base Langley-Eustis, Va., May 29, 2017. Participants who opted to complete the Pararescue Workout ran a total of two miles, performed a total of 100 pullups, 400 burpees, 300 squats, 100 sit-ups and 400-meter tire flip. (U.S. Air Force photo/Staff Sgt. Areca T. Bell)