The US supplied a lot of equipment and other goods to the Soviet Union during WW2. The guys below were on the way to Russia. A tough trip to be sure! This was a part of the lend lease to other countries with products from the US.
Correspondents with a United States Army truck convoy which carried supplies for the aid of Russia somewhere in Iran. Photo from the National Archives.
You might be interested in finding out more about the lend lease program by checking out Russia’s Life-Saver: Lend-Lease Aid to the U.S.S.R. in World War II.