The United States Air Force's 148th Space Operations Squadron (148 SOPS) is a satellite control unit located at Vandenberg AFB, California. The 148th SOPS is tasked with back-up command and control of the MILSTAR satellite constellation.

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148th Space Operations Squadron
148th Space Operations Squadron emblem
Active	2000–present
Country	United States
Branch	United States Air Force
Type	Satellite Operations
Role	Combat Support
Part of	195th Operations Group/California ANG
Garrison/HQ	Vandenberg Space Force Base
Motto(s)	We hold the keys
Decorations	AFOUA
Commanders
Current commander	Lt Col Nathan Foss

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The 148 SOPS mans the Primary Satellite Operations Center-Vandenberg (PSOC-V), one of two fixed Milstar Ground Stations.^[1] Unique to Milstar is its ground segment for control of the constellation. Milstar has two fixed ground stations, Primary Satellite Operations Center (PSOC), at 4 SOPS and Primary Satellite Operations Center – Vandenberg or PSOC-V. Each site is fully capable of complete constellation control and operates 24/7. The Milstar Ops Center-Vandenberg is operated by the 148 SOPS, a California Air Guard Unit, and does control 2 Milstar satellites full-time.^[2]

The 148 SOPS was originally established as the 148th Combat Communications Squadron at Compton, California. The unit was redesignated the 148th Space Operations Squadron and relocated to Vandenberg AFB, California on 31 October 2000.

• 148th Space Operations Squadron (2000–present)
• 148th Combat Communications Squadron (1976–2000)
• 148th Mobil Communications Squadron (1960–1976)
• 148th Aircraft Control and Warning Squadron (1948–1960)

• Vandenberg SFB, California (2000–present)
• March ARB, California (1997–2000)^[3]
• Ontario ANGS, California (1984–1997)^[4]
• Compton, California (1948–1951) as the 148th Aircraft Control and Warming Squadron.
• Oklahoma Air Force Station, OK (1 May 1951 – 31 January 1953) Oklahoma Air Force Station, OK.
• Compton ANG Station, CA (1953–1960) as 148th Aircraft Control and Warning Squadron.
• Compton ANGB, CA (1960–1976) as the 148th Mobil Communications Squadron.
• Compton ANGB, CA (1976–1984) as 148th Combat Communications Squadron.
• Ontario ANGB, CA ( 1984–1997) as 148th Combat Communications Squadron.

Title: 50th Anniversary-History of 148th Combat Comm Squadron.

• 4th Space Operations Squadron – Active Duty Counterpart to 148 SOPS
• MILSTAR – Military Strategic and Tactical Relay satellite