Jack Jack, a military working dog sits after finding explosive materials during an explosive ordnance familiarization class aboard amphibious assault ship USS America (LHA 6). - Jack Jack, a military working dog sits after finding explosive materials during an explosive ordnance familiarization class aboard amphibious assault ship USS America (LHA 6).

A U.S. Marine briefs Brig. Gen. Dan Conley at the medial isolation and observation center being set up near the 13 Area on Camp Pendleton, California, March 15. - A U.S. Marine briefs Brig. Gen. Dan Conley at the medial isolation and observation center being set up near the 13 Area on Camp Pendleton, California, March 15.

Capt. Nick Berger, project officer in Infantry Weapons at Marine Corps Systems Command, holds the M320A1 during a weeklong review of the system. - Capt. Nick Berger, project officer in Infantry Weapons at Marine Corps Systems Command, holds the M320A1 during a weeklong review of the system.

U.S. Marine Corps Gunnery Sgt. Alex R. Diaz, retail operations chief for Marine Corps Community Services, Headquarters and Support Battalion, Marine Corps Installations East, Camp Lejeune, staples on a new target point during the 2016 intramural rifle and pistol competition on Stone Bay Rifle Range, Camp Lejeune, N.C., March 8. - U.S. Marine Corps Gunnery Sgt. Alex R. Diaz, retail operations chief for Marine Corps Community Services, Headquarters and Support Battalion, Marine Corps Installations East, Camp Lejeune, staples on a new target point during the 2016 intramural rifle and pistol competition on Stone Bay Rifle Range, Camp Lejeune, N.C., March 8.

U.S. Marines participate in a foot patrol during cold-weather training at Bjerkvik, Norway, Feb. 23. - U.S. Marines participate in a foot patrol during cold-weather training at Bjerkvik, Norway, Feb. 23.

A U.S. Marine competes against an opponent during an open wrestling tournament at the Semper Fit Gym, Feb. 1. - A U.S. Marine competes against an opponent during an open wrestling tournament at the Semper Fit Gym, Feb. 1.

U.S. Marine Corps Lt. Col. Cedar L. Hinton, commanding officer of Marine Wing Fighter Attack Squadron (VMFA) 314, 3rd Marine Aircraft Wing (MAW), lands VMFA-314's first F-35C Lightning II on Marine Air Station Miramar, Calif., Jan. 21. The F-35C will give 3rd MAW a technological advantage by bringing the next wave of 5th generation fighter jets to its arsenal. - U.S. Marine Corps Lt. Col. Cedar L. Hinton, commanding officer of Marine Wing Fighter Attack Squadron (VMFA) 314, 3rd Marine Aircraft Wing (MAW), lands VMFA-314's first F-35C Lightning II on Marine Air Station Miramar, Calif., Jan. 21. The F-35C will give 3rd MAW a technological advantage by bringing the next wave of 5th generation fighter jets to its arsenal.

A U.S. Marine recruiter converses with an attendee during Ultimatum II, a Smash Ultimate Tournament hosted by Esports Stadium Arlington, in Arlington, Texas, December 27. - A U.S. Marine recruiter converses with an attendee during Ultimatum II, a Smash Ultimate Tournament hosted by Esports Stadium Arlington, in Arlington, Texas, December 27.

Marine Corps Installations Command logo - Marine Corps Installations Command logo

Master Sgt. Tommy “TJ” Pittman repairs an Assault Amphibious Vehicle in 1991. - Master Sgt. Tommy “TJ” Pittman repairs an Assault Amphibious Vehicle in 1991.

U.S. Marines with Amphibious Vehicle Test Branch, Marine Corps Tactical Systems Support Activity, drive a new Amphibious Combat Vehicle ashore during low-light surf transit testing at AVTB Beach on Marine Corps Base Camp Pendleton, California, Dec. 18. - U.S. Marines with Amphibious Vehicle Test Branch, Marine Corps Tactical Systems Support Activity, drive a new Amphibious Combat Vehicle ashore during low-light surf transit testing at AVTB Beach on Marine Corps Base Camp Pendleton, California, Dec. 18.

U. S. Marine Corps Cpl. Zachary Devaney, a military working dog handler with the Provost Marshal’s Office, Security and Emergency Services Battalion, directs military working dog, Don, through the obedience course at Marine Corps Base Camp Pendleton, California, Dec. 17, 2019 Handlers and their K9, spend over 50 hours training and developing their bond every week. - U. S. Marine Corps Cpl. Zachary Devaney, a military working dog handler with the Provost Marshal’s Office, Security and Emergency Services Battalion, directs military working dog, Don, through the obedience course at Marine Corps Base Camp Pendleton, California, Dec. 17, 2019 Handlers and their K9, spend over 50 hours training and developing their bond every week.

U.S. Marine Corps Lance Cpl. Declan N. Kellogg, an engineer equipment mechanic with 3rd Maintenance Battalion shoots the M1014 shotgun during the Security Augmentation Force Training from Dec. 12. - U.S. Marine Corps Lance Cpl. Declan N. Kellogg, an engineer equipment mechanic with 3rd Maintenance Battalion shoots the M1014 shotgun during the Security Augmentation Force Training from Dec. 12.