Sgt. Maj. Carlton W. Kent, 16th sergeant major of the Marine Corps, shares a laugh with retired Sgt. Maj. Henry H. Black, the 7th sergeant major of the Marine Corps, at Black’s home Nov. 10 in Fredericksburg, Va. Kent, along with eight fellow Marines, made the trip to celebrate the Corps’ 234th birthday with Black. - Sgt. Maj. Carlton W. Kent, 16th sergeant major of the Marine Corps, shares a laugh with retired Sgt. Maj. Henry H. Black, the 7th sergeant major of the Marine Corps, at Black’s home Nov. 10 in Fredericksburg, Va. Kent, along with eight fellow Marines, made the trip to celebrate the Corps’ 234th birthday with Black.