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Space Delta 3
Emblem of Space Delta 3.png
Emblem of Space Delta 3
Founded24 July 2020; 2 years ago (2020-07-24)
Country United States
Branch United States Space Force
RoleSpace electromagnetic warfare
Size350 personnel[1]
Part of
Space Operations Command emblem.png
Space Operations Command
HeadquartersPeterson Space Force Base, Colorado, U.S.
CommanderCol Christopher A. Fernengel
Deputy CommanderLt Col John Kolb[1]
Senior Enlisted LeaderCMSgt Taryn Stys[2]
Space Delta 3 guidon.svg

Space Delta 3 (DEL 3) is a United States Space Force unit responsible for presenting operational combat-ready space electromagnetic warfare forces in support of assigned missions.[3] It is headquartered at Peterson Space Force Base.[4][5][2][6]

Activated on 24 July 2020, it replaced the former 21st Space Wing's 721st Operations Group upon establishment.[7] The 721st Operations Group was activated on 10 October 2019 partly by realigning units from the former 21st Operations Group to focus securing the electromagnetic spectrum for national security space operations.[8]


In December 2021, DEL 3 was awarded as the best delta in Space Operations Command.[9] The delta's three operational units were redesignated as electromagnetic warfare squadrons on April 15, 2022.[10]


DEL 3 is a component of Space Operations Command, one of eight deltas aligned under the field command. It is composed of the 3rd Combat Training Squadron, which provides advanced training to the delta's members, and three operational units, the 4th Electromagnetic Warfare Squadron, 5th Electromagnetic Warfare Squadron, and 16th Electromagnetic Warfare Squadron. It is also augmented by four Air National Guard units, the 114th Space Control Squadron, 138th Space Control Squadron, 216th Space Control Squadron, and 293rd Space Control Squadron, and the Air Force Reserve's 380th Space Control Squadron[11]

It plans to add a defensive space electronic unit in Guam.[11]

Emblem Name[12] Function Headquarters
3rd Combat Training Squadron emblem.png
3rd Combat Training Squadron (3 CTS) Operational training and certification, tactics development, engineering support, and crew force management Peterson Space Force Base, Colorado
4th Electromagnetic Warfare Squadron emblem.png
4th Electromagnetic Warfare Squadron (4 EWS) Space electronic warfare Peterson Space Force Base, Colorado
5th Space Control Squadron emblem.png
5th Electromagnetic Warfare Squadron (5 EWS) Space electronic warfare Peterson Space Force Base, Colorado
16th Electromagnetic Warfare Squadron emblem.png
16th Electromagnetic Warfare Squadron (16 EWS) Space electronic warfare Peterson Space Force Base, Colorado

List of commanders

No. Commander Term Ref
Portrait Name Took office Left office Duration
1Thien, John G.Colonel
John G. Thien
24 July 202031 July 20211 year, 7 days[13]
2Fernengel, Christopher A.Colonel
Christopher A. Fernengel
31 July 2021Incumbent1 year, 108 days[14][15]


  1. ^ a b "Space Delta 3 focuses on electromagnetic spectrum". United States Space Command. Archived from the original on 24 June 2021. Retrieved 16 June 2021.
  2. ^ a b "Space Delta 3". Archived from the original on 25 July 2020. Retrieved 25 July 2020.
  3. ^ "Space Delta 3". Archived from the original on 8 April 2022. Retrieved 20 April 2022.
  4. ^ "Space Delta 3 Fact Sheet" (PDF). Peterson Air Force Base. 24 July 2020. Archived (PDF) from the original on 24 July 2020. Retrieved 24 July 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  5. ^ "Space Force reorganizes former Air Force space wings into "Deltas" and "Garrisons"". SpaceNews. 24 July 2020. Archived from the original on 26 July 2020. Retrieved 25 July 2020.
  6. ^ "Space Force Announces Significant Reorganization". Air Force Magazine. 24 July 2020. Archived from the original on 11 August 2020. Retrieved 25 July 2020.
  7. ^ "Peterson-Schriever Garrison | USSF | Peterson Air Force Base". Archived from the original on 9 November 2020. Retrieved 9 November 2020.
  8. ^ "721st OG activated as USAF realigns to 'Protect and Defend' U.S. Space Capabilities". Peterson Air Force Base. Archived from the original on 24 June 2021. Retrieved 20 June 2021.
  9. ^ "DEL 3 receives "Best Mission Delta"". Space Operations Command (SpOC). Archived from the original on 21 December 2021. Retrieved 23 April 2022.
  10. ^ "4th, 5th and 16th SPCS Re-designation". Peterson Space Force Base. Archived from the original on 23 April 2022. Retrieved 23 April 2022.
  11. ^ a b "DEL 3 updates focus and priorities". Archived from the original on 14 March 2022. Retrieved 23 April 2022.
  12. ^ "Space Delta 3". Archived from the original on 10 November 2020. Retrieved 15 December 2020.
  13. ^ "COLONEL JOHN G. THIEN". Archived from the original on 24 June 2021. Retrieved 16 June 2021.
  14. ^ "COLONEL CHRISTOPHER A. FERNENGEL". Archived from the original on 31 July 2021. Retrieved 31 July 2021.
  15. ^ "Space Delta 3 Changes Command". 30 July 2021. Archived from the original on 31 July 2021. Retrieved 31 July 2021.

External links

Media related to Space Delta 3 at Wikimedia Commons

Public Domain This article incorporates public domain material from websites or documents of the United States Government.

This page was last edited on 28 August 2022, at 23:46
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