1st Sgt. Jamie L. Byrd, left, and Lt. Col. Matthew J. Kessler, uncover the U.S. flag during the III Marine Expeditionary Force Support Battalion activation ceremony, March 22, 2018 at Camp Hansen, Okinawa, Japan. - 1st Sgt. Jamie L. Byrd, left, and Lt. Col. Matthew J. Kessler, uncover the U.S. flag during the III Marine Expeditionary Force Support Battalion activation ceremony, March 22, 2018 at Camp Hansen, Okinawa, Japan. Kessler, III MSB’s first commanding officer, is from Kingsport, New York, and Byrd, III MSB’s acting sergeant major, is from Greenville, South Carolina. III MSB’s mission is to provide combat service support, security and administrative services to the command elements of III MEF, III Marine Expeditionary Brigade and III MEF Information Group.