Col. Cherie Roff, 315th Mission Support Squadron commander, passes the 315th Logistics Readiness Squadron guide on to Maj. Franklin Rinaca, new 315th LRS commander, during a 315th MSG double assumption of command ceremony Feb. 11 at Joint Base Charleston, S.C. Rinaca previously served as the 315th LRS operations officer. (U.S. Air Force photo by 1st Lt. Rashard Coaxum)