Lineage
  01Jul1983  established  VAQ-139 (Tactical Electronic Warfare Squadron)
    Jan1998  redesignated VAQ-139 (Electronic Attack Squadron)

Nickname
  01Jul1983 - Present  Cougars

Shore Based Deployments
  DET.  Feb2006 - May2006  EA-6B   NK-50x  Al Asad AB, Iraq

Aircraft Carrier Deployments
  20Feb1985 - 24Aug1985  EA-6B   CV-64   CVW-14  NK-604/607  WestPac, Indian Ocean
  04Sep1986 - 20Oct1986  EA-6B   CV-64   CVW-14  NK-604/607  NorPac
  11Apr1987 - 13Oct1987  EA-6B   CV-64   CVW-14  NK-604/607  WestPac, Indian Ocean, Arabian Gulf
  01Dec1988 - 01Jun1989  EA-6B   CV-64   CVW-14  NK-604/607  WestPac, Indian Ocean
  16Sep1989 - 19Oct1989  EA-6B   CV-64   CVW-14  NK-604/607  NorPac
  27Apr1990 - 20May1990  EA-6B   CV-64   CVW-14  NK-604/607  RIMPAC
  23Jun1990 - 20Dec1990  EA-6B   CV-62   CVW-14  NK-604/607  WestPac, Persian Gulf
  05Aug1991 - 22Aug1991  EA-6B   CV-62   CVW-14  NK-62x      West Coast to Hawaii
  28Aug1991 - 14Sep1991  EA-6B   CV-41   CVW-14  NK-62x      Hawaii to West Coast
  17Feb1994 - 17Aug1994  EA-6B   CVN-70  CVW-14  NK-62x      WestPac, Persian Gulf
  21Aug1995 - 13Sep1995  EA-6B   CVN-70  CVW-14  NK-62x      Hawaii Operating Area
  14May1996 - 14Nov1996  EA-6B   CVN-70  CVW-14  NK-62x      WestPac, Persian Gulf
  04Apr1997 - 28Apr1997  EA-6B   CVN-72  CVW-14  NK-62x      EastPac
  22Nov1997 - 20Dec1997  EA-6B   CVN-72  CVW-14  NK-62x      EastPac
  16Jun1998 - 07Dec1998  EA-6B   CVN-72  CVW-14  NK-62x      WestPac, Persian Gulf
  12May2000 - 01Jul2000  EA-6B   CVN-72  CVW-14  NK-50x      RIMPAC2000
  20Aug2000 - 06Feb2001  EA-6B   CVN-72  CVW-14  NK-50x      WestPac, Persian Gulf
  14Apr2002 - 14May2002  EA-6B   CVN-72  CVW-14  NK-50x      NorPac, JTFEX
  20Jul2002 - 06May2003  EA-6B   CVN-72  CVW-14  NK-50x      WestPac, Persian Gulf
  24May2004 - 01Nov2004  EA-6B   CVN-74  CVW-14  NK-50x      RIMPAC'04, WestPac
  04Jan2006 - 06Jul2006  EA-6B   CVN-76  CVW-14  NK-50x      WestPac, Persian Gulf
  27Jan2007 - 20Apr2007  EA-6B   CVN-76  CVW-14  NK-50x      WestPac
  19May2008 - 25Nov2008  EA-6B   CVN-76  CVW-14  NK-50x      WestPac, North Arabian Sea
  28May2009 - 21Oct2009  EA-6B   CVN-76  CVW-14  NK-50x      WestPac, North Arabian Sea
  02Jun2010 - 08Aug2010  EA-6B   CVN-76  CVW-14  NK-50x      off the coast of Canada, TSTA, and RIMPAC
  02Feb2011 - 09Sep2011  EA-6B   CVN-76  CVW-14  NK-50x      JTFEX, U.S. 7th and 5th Fleet AOO
  22Aug2014 - 04Jun2015  EA-18G  CVN-70  CVW-17  NA-50x      U.S. 7th and 5th Fleet AOO
  06Oct2017 - 07May2018  EA-18G  CVN-71  CVW-17  NA-50x      U.S. 7th and 5th Fleet AOO
  08Jun2020 - 26Feb2021  EA-18G  CVN-68  CVW-17  NA-50x      U.S. 7th and 5th Fleet AOO
  30Nov2022 - 30Jun2023  EA-18G  CVN-68  CVW-17  NA-50x      U.S. 7th Fleet AOO