A service member completes a squat exercise during the opening Marne Week event on Bagram Airfield, Afghanistan, Nov. 14, 2017. During this portion of the event, each team had to complete 120 squats before moving on to the next challenge. Marne Week is an annual, week-long competition hosted in honor of the 3rd Infantry Division’s birthday. This year is the unit’s centennial. Army photo by Sgt. 1st Class Ben K. Navratil