Tech Sgt. Sean P. Keene, medical readiness instructor from Camp Bullis, Texas explains the operation of building a 25-bed field hospital to Col. (Dr.) Rudy Cachuela, 779th Medical Group commander and Maj. Gen. (Dr.) Gerard A. Caron, 79th Medical Wing commander. This week two Expeditionary Medical Support Teams from 779th Medical Group are practicing their ability to build a field hospital to provide emergency response when deployed. Doctors, nurses, medical technicians, logistical assistants, and other support staff are learning how to work together. (U.S. Air Force Photo by Melanie Moore)