A CH-53 ‘Super Stallion’ helicopter lands at Del Valle Field during a non-combatant Evacuation Operation exercise as part of Weapons and Tactics Instructor Course 2-17 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., April 21, 2017. NEO exercises simulate real-life scenarios where non-combatants are evacuated from a potentially hostile area. (U.S. Marine Corps photo by Cpl. Julio McGraw) - A CH-53 ‘Super Stallion’ helicopter lands at Del Valle Field during a non-combatant Evacuation Operation exercise as part of Weapons and Tactics Instructor Course 2-17 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., April 21, 2017. NEO exercises simulate real-life scenarios where non-combatants are evacuated from a potentially hostile area. (U.S. Marine Corps photo by Cpl. Julio McGraw)