U.S. Marine Corps Sgt. Maj. Scott D. Grade, center,

U.S. Marine Corps Sgt. Maj. Scott D. Grade, center, Sergeant Major of Control Group 28, salutes Maj. Gen. Robert F. Hedelund, commanding general of 2nd Marine Aircraft Wing, and Col. Paul J. Rock Jr., the assistant wing commander of 2nd Marine Aircraft Wing, during a frocking ceremony at Marine Corps Air Station Cherry Point, N.C., June 17, 2015. The ceremony was held to celebrate Col. Rock's promotion from Colonel to Brigadier General. (U.S. Marine Corps photo by Lance Cpl. Koby I. Saunders/Released)