The Marine Corps will welcome a new sergeant major Friday morning during in a ceremony at the Iwo Jima War Memorial in Arlington, Virginia.

Sgt. Maj. Ronald Green will become 18th sergeant major of the Marine Corps. The Corps' current top enlisted leader, Sgt. Maj. Micheal Barrett, the 17th SMMC, will retire during the same ceremony.

Green, 50, was previously the sergeant major for I Marine Expeditionary Force, out of Camp Pendleton, California. He has also served as the senior enlisted adviser for Marine Forces Europe and Africa and for Headquarters and Service Battalion at Headquarters Marine Corps at Henderson Hall, Virginia.

He was chosen for the position in January by Marine Corps Commandant Gen. Joseph Dunford following a slating process that narrowed the field down to five highly qualified sergeants major.

Barrett, 51, will retire retires after 34 years in the Marine Corps. He has held the position of sergeant major of the Marine Corps since June 2011.