FECOMZ is an acronym for "Forward Echelon, Communications Zone". FECOMZ was a headquarters, organized in World War II and authorized by the Allied Supreme Commander, to organize and control Services of Supply for the invasion forces after D-Day.1
ADSEC was a movable base section organized under FECOMZ. FECOMZ reported to and was a separate command from the 12th Army Group that reported to directly SHAEF. This unit would coordinate until D+90 (approximately). Based on the D-Day date of June 6, 1944 this was about September 1944.
References
References
- Waddell, Steve R. (2010). United States Army Logistics: From the American Revolution to 9/11. ABC-CLIO. p. 144. ISBN 9780313354557.