The Marine Forces Reserve color guard assumes their position during the MARFORRES assumption of command and appointment ceremony aboard Marine Corps Support Facility New Orleans, Aug. 28, 2013. Lt. Gen. Richard P. Mills, the commander of MARFORRES and Marine Forces North, is taking charge of the largest command in the Marine Corps, encompassing more than 100,000 Marines at more than 160 sites in 47 U.S. states, Guam and Puerto Rico.