May 21, 2015, MORON AIR BASE, Spain - A Spanish Navy Harrier flies over the water after departing Naval Station Rota, Spain, for an aerial-refueling exercise with U.S. Marines from Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa May 15, 2015. Two Harriers flew behind a U.S. Marine KC-130J, which extended two refueling lines to allow the pilots to test their ability to complete inflight-refueling techniques. The picture was cropped in order to remove empty space and to center the aircraft.