Senior Airman Brian Ryberg, 442nd Aircraft Maintenance Squadron, installs clamps on a lower engine hose in an A-10 Thunderbolt II Dec. 19 at Whiteman Air Force Base, Mo. Airman Ryberg is an Air Reserve Technician in the 442nd Fighter Wing, an Air Force Reserve unit that operates, maintains and supports a squadron of A-10 ground-attack aircraft. (U.S. Air Force photo/Tech. Sgt. Samuel A. Park)