21st Space Wing
The 21st Space Wing (21 SW) was the United States Space Force's ground–based missile warning and space control wing. The 21st Space Wing was assigned to Space Operations Command and headquartered at Peterson Air Force Base, Colorado. The 21st Space Wing controlled Peterson Air Force Base, Cheyenne Mountain Air Force Station, Thule Air Base, Clear Air Force Station, Cape Cod Air Force Station, and Cavalier Air Force Station. 

It was established in 1953 as the 21st Fighter-Bomber Wing, deploying to Europe to join NATO's Allied Command Europe, before being inactivated in 1958. It reactivated in 1958 as the 21st Tactical Fighter Wing, executing air defense operations over Japan and deterring North Korea, being inactivated in 1960. It was reactivated in 1966 as the 21st Composite Wing, and in 1979 redesignated the 21st Tactical Fighter Wing, performing air defense, close air support, and a variety of other missions in Alaska, before being redesignated the 21st Wing and being inactivated in 1991. It was activated as a space wing on 15 May 1992, replacing the 1st Space Wing and 3rd Space Support Wing. The 21st Space Wing was inactivated on 24 July 2020 and replaced by the Peterson-Schriever Garrison, with the 21st Operations Group and its space domain awareness units forming Space Delta 2, the 721st Operations Group and its space electronic warfare units forming Space Delta 3, and its ground–based missile warning units combining with overhead persistent infrared units of the 460th Operations Group to form Space Delta 4.
Q55088961
United States Space Force
ORG
Q80815922
Space Operations Command
ORG
Q772391
Peterson Air Force Base
LOC
Q772391
Peterson Air Force Base
LOC
Q5094587
Cheyenne Mountain Air Force Station
LOC
Q940576
Thule Air Base
LOC
Q5130643
Clear Air Force Station
LOC
Q5034670
Cape Cod Air Force Station
PER
Q5054762
Cavalier Air Force Station
ORG
Q55647883
Allied Command Europe
UNK
Q4596620
1st Space Wing
PER
Q4636603
3rd Space Support Wing
PER
Q104869543
Peterson-Schriever Garrison
UNK
Q97671428
Space Delta 2
PER
Q97671429
Space Delta 3
PER
Q97671430
Space Delta 4
PER
Q4631162
21st Space Wing
PER
Q4631162
21st Space Wing
PER
Q4631162
21st Space Wing
PER
Q4631162
21st Space Wing
PER
1953-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1953
DATE
1958-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1958
DATE
1958-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1958
DATE
1960-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1960
DATE
1966-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1966
DATE
1979-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1979
DATE
1991-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1991
DATE
1992-05-15T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
15 May 1992
DATE
2020-07-24T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
24 July 2020
DATE
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+1^^http://www.w3.org/2001/XMLSchema#decimal
1
NUMBER
+3^^http://www.w3.org/2001/XMLSchema#decimal
3
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+2^^http://www.w3.org/2001/XMLSchema#decimal
2
NUMBER
+3^^http://www.w3.org/2001/XMLSchema#decimal
3
NUMBER
+4^^http://www.w3.org/2001/XMLSchema#decimal
4
NUMBER
headquarters location
headquarters location