Czechoslovak soldiers man a Bren machinegun. Tobruk, Libya. 1941.
One of the 1,662 M-4 Sherman tanks on the obstacle course of the tank test track that was built in World War II. Every tank had to run as fast as possible for 28 laps on the 1.1 mile long test track or 30 total miles. One in 10 had to pass the obstacle course.
Elevated 18th: New York City Elevated Railway, 1942 (via Shorpy Historical Photo Archive)
