U.S. Air Force Master Sgt. Moe Shivers, a boom operator assigned to the 914th Operations Support Squadron, Niagara Air Reserve Station, N.Y., refuels an A-10 Thunderbolt II aircraft over Avon Park, Fla., Jan. 30, 2018. The A-10s, assigned to the 122nd Fighter Wing, Fort Wayne Air National Guard Station, Ind., conducted Operation Guardian Blitz, which includes training in close air support, forward air control and combat search and rescue. (U.S. Air Force photo by Airman 1st Class Adam R. Shanks)