180322-N-TI567-051 STENNIS SPACE CENTER, Miss. (March 22, 2018) Maj. Gen. David Coffman, director of expeditionary warfare for the staff of the Office of the Chief of Naval Operations (CNO), receives a brief from Diesel Systems Overhaul and Maintenance instructors from the Naval Small Craft Instruction and Technical Training School at the Stennis Space Center in Miss. Coffman provides oversight of CNO staff responsibilities pertaining to amphibious lift, mine warfare, naval fire support and other missions essential to Expeditionary Warfare. (U.S. Navy photo by Angela Fry/Released)