A MV-22 Osprey crew member runs toward an Osprey on Lance Cpl. Torrey L. Gray Field aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Oct. 13, 2017. The Osprey crew took part in a non-combatant evacuation operation exercise, which was conducted to prepare Marines for the evacuation of non-essential U.S. citizens and Department of Defense personnel from dangerous situations overseas. (U.S. Marine Corps photo by Lance Cpl. Isaac Cantrell) - A MV-22 Osprey crew member runs toward an Osprey on Lance Cpl. Torrey L. Gray Field aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Oct. 13, 2017. The Osprey crew took part in a non-combatant evacuation operation exercise, which was conducted to prepare Marines for the evacuation of non-essential U.S. citizens and Department of Defense personnel from dangerous situations overseas. (U.S. Marine Corps photo by Lance Cpl. Isaac Cantrell)