4th Replacement and Training Squadron (Bomb)
- At Greencastle as element of Eighth Air Force by 26 February 1944
- Redesignated 29 July 1944 as 4th Replacement and Training Squadron, CCRC Group (Bomb)
- Moves to Boreham, Essex, circa 15 September 1944
GI Trail NI - discover the path the GI's took in Northern Ireland.
Follow the GI Trail and learn about the American GIs in Northern Ireland during World War 2. Re-trace their footsteps and relive the exciting past of the American GI's.