239th Combat Communications Squadron
239th Combat Communications Squadron deployed for an exercise
Active	c. 1954-present
Country	United States
Branch	Air National Guard
Role	Deployable Communications Support
Part of	Missouri Air National Guard
Garrison/HQ	Jefferson Barracks, MO
Motto(s)	Defero Nam Libertas
Mascot(s)	Brown Recluse
Commanders
Current commander	Lt Col Stacey R. Roestel
Insignia
239th Combat Communications Squadron emblem
Older 239th Combat Communications Squadron emblem

The United States Air Force's 239th Combat Communications Squadron is an Air National Guard combat communications unit located at Jefferson Barracks, Missouri. The unit has approximately 120 personnel.^[1]

Lineage

• Constituted as the 239th Airways and Air Communications Service Flight

Activated by February 1954

Redesignated 239th Mobile Communications Flight (Light) on 1 June 1961

Redesignated 239th Mobile Communications Flight

Redesignated 239th Combat Communications Flight on 1 April 1976

Redesignated 239th Combat Communications Squadron on 8 October 1982

Redesignated 239th Combat Information Systems Squadron on 1 July 1985

Redesignated 239th Combat Communications Squadron on 1 November 1986

Assignments

• 242d Airways and Air Communications Service Squadron by February 1954
• 254th Combat Communications Group251st Communications Group (later 251st Mobile Communications Group, 251st Combat Communications Group, 251st Combat Information Systems Group, 251st Combat Communications Group
• 131st Bomb Wing

Stations

• Lambert Field (later Robertson Air National Guard Base), Missouri, by February 1954
• Jefferson Barracks, Missouri

Major Command/Gaining Command

• Airways and Air Communications Service (later Air Force Communications Service, Air Force Communications Command), by February 1954
• Air Combat Command, June 1992
• Air Force Space Command (???-2017)
• Air National Guard/Air Combat Command (2018 – present)