U.S. Army Brig. Gen. Clark Lemasters Jr, the deputy commander support operations, NATO Training Mission Afghanistan, passes the Regional Support Command Southwest colors to U.S. Marine Corps Col. Scott Arnold, the commander of RSC-SW, NTM-A, during the RSC-SW, NTM-A change of command at Camp Leatherneck, Helmand province, Afghanistan, June 5, 2012. U.S. Marine Corps Col. Scott Arnold assumed command from U.S. Army Col. Matt Redding during the ceremony.