Spc. Lawrence Echon, a dental technician with C Company, 115th Brigade Support Battalion, 1st Brigade Combat Team, 1st Cavalry Division, straps down a litter in the back of a M997 Field Litter Ambulance Humvee during the 1st combat testing lanes of the Fort Hood Expert Field Medical Badge tests, May 16. Echon, a native of Yigo, Guam, is attempting to pass the EFMB for the fourth time. (U.S. Army photo by Sgt. Matthew Thompson, 7th Mobile Public Affairs Detachment)