Pfc. Benjamin Kelly, machinegunner, 2nd Battalion, 6th Marine Regiment, provides security as 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 at 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. - Pfc. Benjamin Kelly, machinegunner, 2nd Battalion, 6th Marine Regiment, provides security as 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 at 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.