Academic ace Published Feb. 8, 2011 By 81st Training Wing Public Affairs KEESLER AIR FORCE BASE, Miss. -- Airman Basic Christopher Vidal graduated Feb. 3 from the electronic principles course in the 332nd Training Squadron with a perfect score. Airman Vidal, from Newark, Del., continues his training at Sheppard Air Force Base, Texas, for 17 weeks in the avionic instrument and flight control systems apprentice course.