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.

Greencastle (USA AF)

4th CCRC Group Headquarters and Headquarters Squadron

  • Activated 12 November 1943 at Cheddington, Buckinghamshire [sic]
  • Redesignated 29 July 1944 as Headquarters and Headquarters Squadron, 4th CCRC Group (Bomber or Fighter Support)
  • At Greencastle by 15 August 1944
  • Moves to Boreham, Essex, circa 15 September 1944