The Amazing Base provides healthy competition
U.S. Army Staff Sgt. Jonathan Partin, Landstuhl Regional Medical Center non-commissioned officer in charge of cardiology, swings a mallet as part of the 86th Civil Engineer Squadron challenge during The Amazing Base competition on Ramstein Air Base, Germany, Oct. 10, 2018. The device, known as a Keiser Sled, is an exercise machine featuring a sliding block on a platform, which is swung at by someone standing above the block to build strength. (U.S. Air Force photo by Staff Sgt. Jonathan Bass)