OVER THE SAN FRANCISCO BAY -- Two F-16 Fighting Falcons move into a precontact position with a KC-135E Stratotanker before refueling during an Operation Noble Eagle training patrol March 16. The F-16s are assigned to the California Air National Guard's 144th Fighter Wing in Fresno and the KC-135 is assigned to the 940th Aerial Refueling Wing at Beale Air Force Base, Calif. (U.S. Air Force photo by Master Sgt. Lance Cheung)