Public domain
Parris Island. Marine Corps gliders. They fly without engines. Lieutenants of the Marine Corps, studying glider pilotage, compare notes before a flight
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineParris Island. Marine Corps gliders. They fly without engines. Lieutenants of the Marine Corps, studying glider pilotage, compare notes before a flight. 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.