Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff, U.S. Marine Corps Sgt. Maj. Troy E. Black speaks to enlisted service members at Soto Cano Air Base, Honduras, April 22, 2024. The SEAC is responsible for advising the Secretary of Defense and the Chairman of the Joint Chiefs of Staff on matters involving joint and combined total force integration, utilization, health of the force and joint development for enlisted personnel.