The book "Allied Military Locomotives of the Second World War" by R. Tourret lists a GE centercab locomotive USA 8533 (s/n 18041, built 1944) as being stationed at Carteret Ordnance Depot in 1945. Perhaps this is the base you're looking for? More on the Tourret book here:
http://www.tourretpublishing.com/Allied ... sOfWW2.htm
http://www.tourretpublishing.com/Allied ... sOfWW2.htm