Col. Joann Frye, Expeditionary Medical Group commander, Langley AFB, gives direction on the order of events for the day at the location of an Expeditionary Medical Support (EMEDS) system exercise. Teams from the 633rd Medical Group staff partnered with members from the San Antonio Military Medical Center (SAMMC) on Langley AFB, to set up and test a new tent structure and equipment for the EMEDS system 3 – 7 February, 2014. (U.S. Air Force photo by Staff Sgt. Steve Stanley/Released)