![0002:2332: Hoover Dam- World War II security: "Convoy ready to leave Arizona entrance. The command cars have at least two soldiers to each car. Their equipment consists of Springfield, Garand and Browning automatics as well as side-arms for non-commissioned officers." December 18, 1941
[USBR photo no. 5541; William S. "Bill" Russell, photographer]](https://d8e7jbdw4fu0e.cloudfront.net/4452/cc7630b0-e9df-11ed-8a95-57900114a477-wxTvZTl.lg-nt@2x.jpg)
Hoover Dam- World War II security: "Convoy ready to leave Arizona entrance. The command cars have at least two soldiers to each car. Their equipment consists of Springfield, Garand and Browning automatics as well as side-arms for non-commissioned officers." December 18, 1941 [USBR photo no. 5541; William S. "Bill" Russell, photographer]