USMC Doctrine Changes, Page 18
U.S. Marine Sgt. Maj. Troy E. Black, the sergeant major - PICRYL
Top enlisted Marine to be new senior enlisted advisor to Milley
Sgt. Maj. Troy E. Black, SMMC, at Modern Day Marine 2023
Sgt. Maj. Troy E. Black, SMMC, at Modern Day Marine 2023
11th MEU welcomes new sergeant major
Top Enlisted Devil Dog on keeping Marines
Next Sergeant Major of the Marine Corps Announced - USNI News
Black, Ruiz Reflect on the Role of the Marine Corps' Top Enlisted
190724-D-SW162-5129
Sgt. Maj. Troy Black Takes Over as Top Enlisted Marine - USNI News
U.S. Marine Sgt. Maj. Troy E. Black, the sergeant major - PICRYL