AETC nominates 2008 National Defense Industrial Association testers Published March 11, 2009 RANDOLPH AIR FORCE BASE, Texas -- Air Education and Training Command officials recently announced the command's nominees for the 2008 National Defense Industrial Association Tester awards. These individuals will now compete in the next level of competition. Military Tester Tech. Sgt. Marshall Shepherd, 372d Training Squadron, Detachment 13, Nellis Air Force Base, Nev. Government Civilian Tester Paula Gonzales, AETC Studies and Analysis Squadron, Randolph AFB, Texas