Mission Delta 4

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Mission Delta 4
File:Emblem of Space Delta 4.png
Emblem of Mission Delta 4
Founded24 July 2020; 5 years ago (2020-07-24)
CountryFile:Flag of the United States.svg United States
BranchFile:Flag of the United States Space Force.svg United States Space Force
TypeDelta
RoleMissile warning and tracking
Size1,200 personnel[1]
Part ofFile:Space Operations Command emblem.png Space Operations Command
HeadquartersBuckley Space Force Base, Colorado, U.S.
MottosLatin: Videmus Mundum, lit. 'We see the world.'[2]
Websitewww.buckley.spaceforce.mil
Commanders
CommanderCol Aaron L. Cochran
Vice CommanderLt Col Randall E. Carlson[3]
Senior Enlisted LeaderCMSgt Kyle T. Mullen[4]
Insignia
GuidonFile:Space Delta 4 guidon.svg

Mission Delta 4 (MD4) is a United States Space Force unit responsible for providing strategic and theater missile warning and tracking to the United States and its international partners. It operates three constellations of Overhead Persistent Infrared (OPIR) satellites and two types of Ground-Based Radars (GBRs) for the purpose of conducting strategic and theater missile warning and tracking. Additionally, DEL 4 provides tipping and cueing to missile defense forces, battlespace awareness to combatant commanders and technical intelligence for further analysis and manages weapon system architectures and ensures operations are intelligence-led, cyber-resilient, and driven by innovation, while postured to operate in a contested, degraded, and operationally-limited environment.[5][6]

Activated on 24 July 2020, the delta is headquartered at Buckley Space Force Base, Colorado.[5][7] On 31 October 2024 it was redesignated Mission Delta 4 and gained sustainment responsibilities, along with organic cyber defense and intelligence forces.[8]

History

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DEL 4 was based on the previous 460th Operations Group, 460th Space Wing and 21st Operations Group, 21st Space Wing.[9][10]

In lineage terms, the delta was originally established as 460 Operations Group (460 SW) on 2 August 2004.[11] It was activated on 19 August 2004. It was redesignated as Space Delta 4 on 24 July 2020. Its status changed officially from a unit of the United States Air Force to a unit of the United States Space Force on 21 October 2020.

In 2023, Space Delta 4 assumed control of the U.S. Army's Joint Tactical Ground Station.[6] On 31 October 2024 it was redesignated Mission Delta 4 and gained sustainment responsibilities, along with organic cyber defense and intelligence forces.[8]

Structure

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Emblem Name Function Headquarters Spacecraft and ground-based radars Detachments
Squadrons
File:2nd Space Warning Squadron emblem.png 2nd Space Warning Squadron Missile warning, missile defense, battlespace awareness, and technical intelligence[12] Buckley Space Force Base, Colorado Defense Support Program
Space Based Infrared System
File:3rd Satellite Communications Squadron emblem.png 3rd Satellite Communications Squadron[13] Military communications[12] Buckley Space Force Base, Colorado
File:5th Space Warning Squadron emblem.png 5th Space Warning Squadron Missile warning and space domain awareness[12] Buckley Space Force Base, Colorado Joint Tactical Ground Station Det 1: Naval Air Station Sigonella, Italy[14]
Det 2: Qatar[a][16]
Det 3: Osan Air Base, South Korea[17]
Det 4: Misawa Air Base, Japan[18]
File:6th Space Warning Squadron emblem.png 6th Space Warning Squadron Missile warning and space domain awareness[12] Cape Cod Space Force Station, Massachusetts AN/FPS-132 Upgraded Early Warning Radar
File:7th Space Warning Squadron emblem.png 7th Space Warning Squadron Missile Defense and space domain awareness[12] Beale Air Force Base, California AN/FPS-132 Upgraded Early Warning Radar
Long Range Discrimination Radar
File:10th Space Warning Squadron emblem.png 10th Space Warning Squadron Missile warning and space domain awareness[12] Cavalier Space Force Station, North Dakota AN/FPQ-16 Perimeter Acquisition Radar Attack Characterization System
File:11th Space Warning Squadron emblem.png 11th Space Warning Squadron Missile warning, missile defense, battlespace awareness, and technical intelligence[12] Buckley Space Force Base, Colorado Defense Support Program
Space Based Infrared System
File:12th Space Warning Squadron emblem (2).png 12th Space Warning Squadron Missile warning and space domain awareness[12] Pituffik Space Base, Greenland AN/FPS-132 Upgraded Early Warning Radar
File:13th Space Warning Squadron emblem.png 13th Space Warning Squadron Missile warning, missile defense, and space domain awareness[12] Clear Space Force Station, Alaska AN/FPS-132 Upgraded Early Warning Radar
AN/FPS-108 Cobra Dane (Operating Location)
Long Range Discrimination Radar		 Operating Location: Eareckson Air Station, Alaska
Operating locations
Operating Location – Fylingdales Missile warning and space domain awareness[12] RAF Fylingdales, United Kingdom AN/FPS-132 Upgraded Early Warning Radar

List of commanders

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No. Commander Term Ref
Portrait Name Took office Left office Duration
1Bourquin, Richard L.Colonel
Richard L. Bourquin		24 July 202015 July 2021356 days[19]
2Cruz, Miguel A.Colonel
Miguel A. Cruz		15 July 202121 July 20232 years, 6 days[1][20]
3Schmitt, Ernest R.Colonel
Ernest R. Schmitt		21 July 202316 July 20251 year, 360 days[21][22]
4Cochran, Aaron L.Colonel
Aaron L. Cochran		16 July 2025Incumbent312 days[23][24]

Notes

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  1. ^ This detachment location is inferred based on the locations of the detachments of the 1st Space Company, 1st Space Battalion of the U.S. Army, of which there were four. This unit is what was absorbed by the Space Force to become the 5th Space Warning Squadron. This detachment was previously known as JTAGS-Qatar under the Army.[15]

References

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  3. ^ https://www.buckley.spaceforce.mil/About-Us/Biographies/Display/Article/4249317/randall-e-carlson-phd/
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). Public Domain This article incorporates text from this source, which is in the public domain.
  6. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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  8. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  9. ^ Space Force Organisations Take Shape Archived August 11, 2020, at the Wayback Machine, July 24, 2020.
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  23. ^ https://www.buckley.spaceforce.mil/NEWS/Article/4248670/a-changing-of-the-guard-for-missile-warning-guardians/
  24. ^ https://www.buckley.spaceforce.mil/About-Us/Biographies/Display/Article/2733147/aaron-l-cochran/
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