Master Sgt. William Porterfield and Staff Sgt. Lincoln McCoy connect an ammunition-loading assembly to an A-10 Thunderbolt II during a weapons-load competition at Whiteman Air Force Base, Mo. The competition is designed to hone the loaders' skills in safely and quickly rearming an A-10 after a combat sortie. Sergeants Porterfield and McCoy are Air Force reservists in the 442nd Aircraft Maintenance Squadron, part of the 442nd Fighter Wing, based at Whiteman. (U.S. Air Force photo/Senior Airman Danielle Wolf)