A crew chief with Marine Medium Tiltrotor Squadron (VMM) 165 looks outside an MV-22B Osprey during a training flight from Marine Corps Air Station Miramar to Marine Corps Base Camp Pendleton, Calif., June 8. Crew chiefs aboard the Osprey assisted with maintaining visuals during the flight for the pilots. (U.S. Marine Corps photo by Sgt. Michael Thorn/Released) - A crew chief with Marine Medium Tiltrotor Squadron (VMM) 165 looks outside an MV-22B Osprey during a training flight from Marine Corps Air Station Miramar to Marine Corps Base Camp Pendleton, Calif., June 8. Crew chiefs aboard the Osprey assisted with maintaining visuals during the flight for the pilots. (U.S. Marine Corps photo by Sgt. Michael Thorn/Released)

An F-35B Lightning II with Marine Fighter Attack Squadron 121, based out of Marine Corps Air Station Yuma, Ariz., performs a vertical landing as part of required flying field carrier landing practices (FCLP) at the station’s auxiliary landing field, Monday, April 27, 2015. The landing field simulates the flight deck of an aircraft carrier to prepare pilots for landing and taking off at sea. (Official Marine Corps photo by Cpl. Travis Gershaneck/Released) - An F-35B Lightning II with Marine Fighter Attack Squadron 121, based out of Marine Corps Air Station Yuma, Ariz., performs a vertical landing as part of required flying field carrier landing practices (FCLP) at the station’s auxiliary landing field, Monday, April 27, 2015. The landing field simulates the flight deck of an aircraft carrier to prepare pilots for landing and taking off at sea. (Official Marine Corps photo by Cpl. Travis Gershaneck/Released)

First Lt. Alisa Sieber, a pilot with Marine Aerial Refueler Transport Squadron (VMGR) 352 and a San Diego native, smiles as she gives an interview aboard Marine Corps Air Station Miramar, Calif., March 9. - First Lt. Alisa Sieber, a pilot with Marine Aerial Refueler Transport Squadron (VMGR) 352 and a San Diego native, smiles as she gives an interview aboard Marine Corps Air Station Miramar, Calif., March 9.

Two MV-22B Ospreys with Marine Medium Tiltrotor Squadron (VMM) 166 get refueled before continuing a training exercise at the Grand Canyon, July 24. The Grand Canyon was the turning point during the exercise with VMM-166. - Two MV-22B Ospreys with Marine Medium Tiltrotor Squadron (VMM) 166 get refueled before continuing a training exercise at the Grand Canyon, July 24. The Grand Canyon was the turning point during the exercise with VMM-166.

Reconnaissance Marines from Marine Corps Base Camp Pendleton, Calif., disembark a CH-53E Super Stallion with Marine Heavy Helicopter Squadron (HMH) 465 during a troop lift exercise aboard MCB Camp Pendleton, June 3. A parachute operation was also involved with the troop lift during the collaborative training between the reconnaissance Marines and HMH-465. - Reconnaissance Marines from Marine Corps Base Camp Pendleton, Calif., disembark a CH-53E Super Stallion with Marine Heavy Helicopter Squadron (HMH) 465 during a troop lift exercise aboard MCB Camp Pendleton, June 3. A parachute operation was also involved with the troop lift during the collaborative training between the reconnaissance Marines and HMH-465.

Staff Sgt. Michael Allen, a crew chief with Marine Medium Tiltrotor Squadron 365, watches the propellers turn on an MV-22B Osprey to ensure the aircraft is ready for takeoff aboard Camp Bastion, Afghanistan, May 14. Two Ospreys from the squadron transported Marines from 1st Reconnaissance Battalion as they conducted counternarcotics operations along with Afghan National Security Forces in northern Nimroz province. - Staff Sgt. Michael Allen, a crew chief with Marine Medium Tiltrotor Squadron 365, watches the propellers turn on an MV-22B Osprey to ensure the aircraft is ready for takeoff aboard Camp Bastion, Afghanistan, May 14. Two Ospreys from the squadron transported Marines from 1st Reconnaissance Battalion as they conducted counternarcotics operations along with Afghan National Security Forces in northern Nimroz province.