View of U.S. Marines washing amphibious alligator tanks. Label on back: "Marines of the Amphibian Tank School, in Florida wash down their 'alligator' tanks. These tanks are used for both land and water transportation." Stamped on back: "Official photograph, please credit U.S. Marine Corps." Typed on back: "Credit line should read: Official U.S. Marine Corps photograph." Handwritten on back: "Amphibious vehicles."
