Lt. Col. Steven Murphy, commanding officer, Marine Wing Support Squadron 374, awards Gunnery Sgt. Steven J. Sullivan, logistics chief, MWSS-374, the Navy and Marine Corps Commendation medal after a 15 km hike from the squadron’s headquarters building to Camp Wilson May 6, 2016. Sullivan was awarded for his superior performance and dedication to his duty. (Official Marine Corps photo by Lance Cpl. Dave Flores/Released) - Lt. Col. Steven Murphy, commanding officer, Marine Wing Support Squadron 374, awards Gunnery Sgt. Steven J. Sullivan, logistics chief, MWSS-374, the Navy and Marine Corps Commendation medal after a 15 km hike from the squadron’s headquarters building to Camp Wilson May 6, 2016. Sullivan was awarded for his superior performance and dedication to his duty. (Official Marine Corps photo by Lance Cpl. Dave Flores/Released)

3rd Marine Aircraft Wing Band performs at a relief and appointment ceremony at Lance Cpl. Torrey L. Grey Field May 19, 2016. (Official Marine Corps photo by Lance Cpl. Dave Flores) - 3rd Marine Aircraft Wing Band performs at a relief and appointment ceremony at Lance Cpl. Torrey L. Grey Field May 19, 2016. (Official Marine Corps photo by Lance Cpl. Dave Flores)

Sgt. Patricio Parra, warehouse noncommissioned officer in charge, Headquarters Battalion, Marine Corps Air Ground Combat Center, comes from a foreign military family and is taking a new step in his eight-year Marine Corps career to become a drill instructor.(Official Marine Corps photo by Cpl. Connor Hancock/Released) - Sgt. Patricio Parra, warehouse noncommissioned officer in charge, Headquarters Battalion, Marine Corps Air Ground Combat Center, comes from a foreign military family and is taking a new step in his eight-year Marine Corps career to become a drill instructor.(Official Marine Corps photo by Cpl. Connor Hancock/Released)