4th Space Launch Squadron

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4th Space Launch Squadron
4th Space Launch Squadron.jpg
4th Space Launch Squadron emblem
Active 1994-1998; 2003-Present[1]
Country United States
Branch United States Air Force
Type Space Launch
Role Combat Support
Part of AFSPC/30th Space Wing
Garrison/HQ Vandenberg AFB, California

The United States Air Force's 4th Space Launch Squadron (4 SLS) is a space launch unit located at Vandenberg AFB, California.



Launched surveillance and meteorological satellites into polar earth orbit, 1994-1998. Managed operations for Atlas V and Delta IV Evolved expendable Launch Vehicles (EELVs), 2003-.

Previous designations[edit]

  • 4th Space Launch Squadron (1994-1998; 2003–Present) [2]


Major Command[edit]


Bases stationed[edit]


Aircraft & Missiles Operated[edit]


  1. ^ Air Force Historical Research Agency Fact Sheet: 4th Space Launch Squadron
  2. ^ Rogers, B. (2006). United States Air Force Unit Designations Since 1978. ISBN 1-85780-197-0
  3. ^ AF FOIA Request 2009-01965, 13 July 2009
  4. ^ World Airpower Journal. (1992). US Air Force Air Power Directory. Aerospace Publishing: London, UK. ISBN 1-880588-01-3

External links[edit]