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137th Space Warning Squadron

233rd Space Group
233rd Space Group front gate, Greeley, Colorado
Active 1992 – present
Country  United States
Allegiance  Colorado
Branch   Air National Guard
Type Squadron
Role Space Communications
Part of Attached to 140th Wing[1]
Garrison/HQ Greeley Air National Guard Station, Greeley, Colorado
Col. Thomas McKenna
Emblem of the 137th Space Warning Squadron

The 137th Space Warning Squadron (137 SWS) is a unit of the Colorado Air National Guard located at Greeley Air National Guard Station, Greeley. The 137th SWS provides immediate, worldwide missile warning, space launch and detection in the event of an attack against the United States.[2] If activated to federal service, the Wing is gained by the United States Air Force Space Command.


  • Overview 1
  • History 2
    • Mobile DSP Communications 2.1
  • Assignments 3
    • Major Command/Gaining Command 3.1
  • Previous designations 4
  • Equipment Operated 5
  • References 6
  • External links 7


The 233d Space Group employs the Air Force's only strategic survivable, mobile ground system (MGS) to receive early warning data. The 233d provides endurable missile warning detection to the National Command Authority and has the ability to survive and operate through all phases of trans/post attack. In addition, the satellites provide immediate, worldwide missile warning, space launch, and nuclear detonation detection.[3]


The history of the 137 SWS is not so much in the unit designation, but in the equipment operated. The 137th Space Warning Squadron activated 1 October 1995, assuming the mission of the 4th Space Warning Squadron (4 SWS), Holloman AFB, New Mexico.[2]

Mobile DSP Communications

The mobile Defense Support Program 1st Space Wing and the 3d Space Wing were inactivated, and their assets merged into the newly renamed 21st Space Wing, at Peterson AFB, Colorado. The unit was renamed the 4th Space Communications Squadron. Finally, on 1 October 1992, the 4th SCS's mission was declassified. When the duties of the 4th SWS transferred to other space projects, the mobile DSP mission was transferred to the newly formed 137th Space Warning Squadron, activated in 1995.[2]


Major Command/Gaining Command

Previous designations

  • 1 October 1983 - The 137th SWS activated as the 1025th Satellite Communications Squadron (SCS)
  • 1 August 1986 - The 1025th SCS was redesignated as the 4th SCS.
  • 1 October 1992 - The 4th SCS's mission was declassified and became the 4th Space Warning Squadron.
  • 1 October 1995 - The 137th Space Warning Squadron activated

Equipment Operated


 This article incorporates public domain material from websites or documents of the Air Force Historical Research Agency.

  1. ^ 140th Wing Official Site. Accessed 2009-07-24. Archived 2011-11-15.
  2. ^ a b c 137th Space Warning Squadron
  3. ^ a b 137th SWS Official Site and Mission Statement Accessed/updated: 2011-11-15.

External links

  • 137th SWS
  • Team Buckley Security Forces team dominates at Guardian
  • 460th Space Wing (137thSWS) competing in Guardian Challenge
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