Fredrik Church [SEP] inception
, and the church was consecrated in 1744. Though Crown Prince Adolf Frederick was present for the event, the building was named in honor of Frederick I. The spires atop the church towers were completed in 1758. 
There were several restorations. The one in 1805-06 was led by architect Olof Tempelman. Interior restorations occurred in 1913-15 under Axel Lindegren, and there was another in 1967-68. An exterior restoration occurred in 1997-98.
Architecture and fittings.
The Fredrik Church was built in
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