312 Training Squadron (AETC) Lineage. Established as 3480 Technical Training Group and activated on 1 Jul 1978. Redesignated as: 3480 Technical Training Squadron on 1 Feb 1992; 312 Technical Training Squadron on 15 Sep 1992; 312 Training Squadron on 1 Apr 1994. Assignments. 3480 Technical Training Wing (later 3480 Technical Training Wing [USAF Cryptological Training Center]); 3480 Technical Training Wing; 3480 Technical Training Group; 391 Technical Training Group; 17 Technical Training Group; 17 Training Group), 1 Jul 1978-. Stations. Goodfellow AFB, TX, 1 Jul 1978-. Service Streamers. None. Campaign Streamers. None. Armed Forces Expeditionary Streamers. None. Decorations. Air Force Outstanding Unit Awards: 1 Jul 1994-30 Jun 1995; 1 Jul 1995-30 Jun 1997; 1 Jul 1997-30 Jun 1999; 1 Jul 2003-30 Jun 2005. Lineage, Assignments, Stations, and Honors through 18 Feb 2010. Emblem. Approved on 3 Apr 1989. Emblem should be modified to meet the standards of AFI 84-105, chapter 3. Supersedes statement prepared on 9 Jul 2004. Statement prepared on 18 Feb 2010. Prepared by Robert B. Kane. Reviewed by Daniel L. Haulman.