A KC-135 Stratotanker from the 171st Air Refueling

A KC-135 Stratotanker from the 171st Air Refueling Wing, Pennsylvania Air National Guard, sits on the ramp prior to takeoff at the Combat Readiness Training Center (CRTC) flight line in Gulfport, Miss., while participating in Exercise Southern Strike 15 (SS15) Oct. 28, 2014. SS15 is a total force, multiservice training exercise hosted by the Mississippi National Guard's CRTC from Oct. 27 through Nov. 7, 2014. The SS15 exercise emphasizes air-to-air, air-to-ground and special operations forces training opportunities. These events are integrated into demanding hostile and asymmetric scenarios with actions from specialized ground forces and combat and mobility air forces. (U.S. Air Force photo by Staff Sgt. Gregory Brook/ Released)