U.S. Air Force Staff Sgt. Holden, assigned to the 30th Intelligence Squadron, does a pull-up during a Memorial Day Murph and Pararescue Workout event at Joint Base Langley-Eustis, Va., May 29, 2017. Participants who participated in 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)(Last name withheld for security purposes)