| 13Jun42-14Dec42 | Headquarters and Headquarters Company (less Maintenance and Service Platoons), 109th Quartermaster Battalion |
| 19Jun42-14Dec42 | Maintenance Platoon, Headquarters Company, 109th Quartermaster Battalion |
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.