A Marine with Special-Purpose Marine Air-Ground Task Force Crisis Response – Africa, reads a dry-erase board with mission-essential notes while flying in an MV-22 Osprey during an alert-force drill launched from Morón Air Base, Spain, Jan. 29, 2015. The Marines used hand and arm signals along with the board to communicate over the noise of the aircraft as they prepared to land for their simulated casualty evacuation mission. (U.S. Marine Corps photo by Sgt. Paul Peterson/Released)
Sgt. Paul Peterson
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