T-3A FireflyT 3A Firefly airplane model. The Air Education and Training Command at Randolph AFB announced on 12 October 1999 that the T 3A Firefly would be dropped by the Air Force, after having been grounded for more than two years. In 1998 the Air Force initiated the privately run Introductory Flight Training which uses private flight schools to screen pilot candidates. The success of this program persuaded the Air Force to drop the T 3 from service. The T 3