Col. Andrew MacMannis, 31st Marine Expeditionary Unit Commanding Officer, receives the MEU’s colors from Col. Paul Damren during a Change of Command Ceremony, June 17. MacMannis comes to the MEU after serving as Commanding Officer for Marine Corps Training Command, Quantico, Va. (Official Marine Corps photo by Cpl. Michael A. Bianco) - Col. Andrew MacMannis, 31st Marine Expeditionary Unit Commanding Officer, receives the MEU’s colors from Col. Paul Damren during a Change of Command Ceremony, June 17. MacMannis comes to the MEU after serving as Commanding Officer for Marine Corps Training Command, Quantico, Va. (Official Marine Corps photo by Cpl. Michael A. Bianco)