171017-M-NB885-011 SIGONELLA, Italy (Oct. 17, 2017) U.S. Navy corpsmen with Special Purpose Marine Air-Ground Task Force-Crisis Response-Africa simulate treating an injured Marine on an MV-22B during a training flight from Naval Air Station Sigonella, Italy, on Oct. 17, 2017. SPMAGTF-CR-AF deployed to conduct limited crisis-response and theater-security operation in Europe and North Africa. (U.S. Marine Corps photo by Staff Sgt. Rebekka S. Heite/Released)