Marines with Special-Purpose Marine Air-Ground Task Force Crisis Response – Africa run aboard an MV-22 Osprey during an alert-force drill at Rota Air Base, Spain, Jan. 29, 2015. A platoon of Marines successfully carried out a simulated casualty evacuation mission launched from their staging area at Morón Air Base, Spain, where SPMAGTF-CR-AF is postured to respond to regional crises. (U.S. Marine Corps photo by Sgt. Paul Peterson/Released) - Marines with Special-Purpose Marine Air-Ground Task Force Crisis Response – Africa run aboard an MV-22 Osprey during an alert-force drill at Rota Air Base, Spain, Jan. 29, 2015. A platoon of Marines successfully carried out a simulated casualty evacuation mission launched from their staging area at Morón Air Base, Spain, where SPMAGTF-CR-AF is postured to respond to regional crises. (U.S. Marine Corps photo by Sgt. Paul Peterson/Released)