4th Space Launch Squadron

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

History
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

 * 4th Space Launch Squadron (1994-1998; 2003–Present)

Major Command

 * Air Force Space Command (29 March 1994-29 June 1998; 1 December 2003–Present)

Wings/Groups

 * 30th Space Wing (15 April 1994-29 June 1998; 1 December 2003–Present)

Bases stationed

 * Vandenberg AFB, California (15 April 1994-29 June 1998; 1 December 2003–Present)

Decorations

 * Air Force Outstanding Unit Award [[File:Outstanding Unit ribbon.svg]]
 * 1 January 1998-29 June 1998
 * 1 January 1997-31 December 1997
 * 1 October 1996-30 September 1997
 * 1 October 1994-30 September 1996

Aircraft & Missiles Operated

 * Delta IV (2003–Present)
 * Atlas V (2003–Present)
 * Titan IV (1995–1997)
 * Titan II (1997–1998)