Ansan [SEP] inception
2nd year (AD 1402), Ansan was still called Ansan. Under Teajong's 13th (1413), the whole country was detached into eight provinces.
History Modern Era.
Until 1914, Ansan City and the southern part of today's Siheung city consisted of Ansan County. In 1914, Ansan County was annexed to Siheung County. This region produced high quality salt from ancient times and valuable marine products. Ansan was then a fishing village.
In 1986, several towns of Hwaseong county became incorporated, representing the
components of the 57th Operations Group, placing them all under a single organization. Has trained combat aircrews in adversary threat tactics since its inception.
History Lineage.
- Established as 57th Adversary Tactics Group on 31 Aug 2005
History Assignments.
- 57th Wing, 15 Sep 2005–Present
History Components.
- 64th Aggressor Squadron: 15 Sep 2005–Present
- 65th Aggressor Squadron: 15 Sep 2005–26 September 2014
- 527th Space Aggressor Squadron: 14 Apr 2006–Present
- 547th Intelligence Squadron, 15 Sep 2005–2014
- 57th Adversary Tactics