Explosive Ordnance Disposal Airmen perform the Row Ergometer 1,000 meter component of the EOD Tier 2 Physical Fitness Test Prototype at Dover Air Force Base, Del., Aug. 8, 2018. The Row Ergometer 1,000 meter is one of 10 test components administered during the Tier 2 test prototype. (U.S. Air Force photo by Staff Sgt. Damien Taylor)