From the article on Walter Schloss
" .... On December 12, 1941, immediately after Pearl Harbor, Schloss enlisted in the US Army and served as a code clerk in the 833rd Signal Company. He was then transferred to the Persian Gulf Command in Iran, which constructed Studebaker trucks in an Iranian truck factory. These trucks were loaded up with supplies and driven north to the border, where they were turned over to the Russian army for use in the siege of Stalingrad. ...."
I hope he liked the kebab when he was in Iran