Cassie Struzik, spouse of U.S. Air Force Senior Airman Joseph Struzik, completes 100 air squats as part of a workout Mar. 18, 2015, at Aviano Air Base, Italy. The workout also consisted of push-ups, burpees and deadlifts. Those interested can attend CrossFit Aviano classes Mondays, Tuesdays, Wednesdays and Fridays at 5 or 9 a.m. (U.S. Air Force photo by Senior Airman Abbey Whittaker/Released)