A CH-46E Sea Knight with Marine Medium Tiltrotor Squadron (VMM) 364 flies its last flight to Davis-Monthan Air Force Base, Ariz., Oct. 29. The aircraft was inducted into the 309th Aerospace Maintenance And Regeneration Group, an aircraft gravesite appropriately known as the boneyard. - A CH-46E Sea Knight with Marine Medium Tiltrotor Squadron (VMM) 364 flies its last flight to Davis-Monthan Air Force Base, Ariz., Oct. 29. The aircraft was inducted into the 309th Aerospace Maintenance And Regeneration Group, an aircraft gravesite appropriately known as the boneyard.

A CH-53E Super Stallion with Marine Heavy Helicopter Squadron (HMH) 465 gains altitude while transporting Marines to an objective area during training aboard Marine Corps Base Camp Pendleton, Calif., June 27. The insertion and extraction training allows Marines to enter and exit an objective area quickly from miles away. - A CH-53E Super Stallion with Marine Heavy Helicopter Squadron (HMH) 465 gains altitude while transporting Marines to an objective area during training aboard Marine Corps Base Camp Pendleton, Calif., June 27. The insertion and extraction training allows Marines to enter and exit an objective area quickly from miles away.

Cpl. Oalandre Ricks, an aircraft maintenance administration specialist with Marine Heavy Helicopter Squadron 462, climbs over an obstacle during a Corporal’s Indoctrination course aboard Marine Corps Base Camp Pendleton, Calif., May 8. The three-day course was held to teach newly promoted Marines what is expected of them as newly promoted noncommissioned officers in the Marine Corps. - Cpl. Oalandre Ricks, an aircraft maintenance administration specialist with Marine Heavy Helicopter Squadron 462, climbs over an obstacle during a Corporal’s Indoctrination course aboard Marine Corps Base Camp Pendleton, Calif., May 8. The three-day course was held to teach newly promoted Marines what is expected of them as newly promoted noncommissioned officers in the Marine Corps.

Volunteers listen as a Marine Corps Community Services representative reads the citations of the various volunteer organizations during the 2014 Volunteer Appreciation Celebration aboard Marine Corps Air Station Miramar, Calif., April 24. More than 900 service members and families received commendation for their volunteer efforts throughout MCAS Miramar and surrounding communities. - Volunteers listen as a Marine Corps Community Services representative reads the citations of the various volunteer organizations during the 2014 Volunteer Appreciation Celebration aboard Marine Corps Air Station Miramar, Calif., April 24. More than 900 service members and families received commendation for their volunteer efforts throughout MCAS Miramar and surrounding communities.

MARINE CORPS AIR STATION MIRAMAR, Calif.—Officer Jason Frederickson, a civilian police officer with the Provost Marshalls Office, provides rear security while a fellow officer clears a room at Navy Marine Reserve Center aboard Marine Corps Air Station Miramar, Calif., April 2. The scenarios are conducted in the most authentic method possible. - MARINE CORPS AIR STATION MIRAMAR, Calif.—Officer Jason Frederickson, a civilian police officer with the Provost Marshalls Office, provides rear security while a fellow officer clears a room at Navy Marine Reserve Center aboard Marine Corps Air Station Miramar, Calif., April 2. The scenarios are conducted in the most authentic method possible.

Sgt. Ryan-Michael Daffin (front row standing), an avionic technician with Marine Light Attack Helicopter Squadron (HMLA) 267, stands with his Marine Corps Martial Arts Program students after one of his sessions aboard Marine Corps Air-Ground Combat Center Twentynine Palms, Calif., Jan. 28. Daffin mentored more than 300 Marines utilizing the martial arts program as his teaching aid. - Sgt. Ryan-Michael Daffin (front row standing), an avionic technician with Marine Light Attack Helicopter Squadron (HMLA) 267, stands with his Marine Corps Martial Arts Program students after one of his sessions aboard Marine Corps Air-Ground Combat Center Twentynine Palms, Calif., Jan. 28. Daffin mentored more than 300 Marines utilizing the martial arts program as his teaching aid.