Fort Story coast defense. Representatives of America's men and machines who are out to blast the Axis. Note lands and grooves on interior of muzzle. These bite into the copper rotating band near the base of the projectile and start it spinning as it leaves the gun. This motion keeps the shell on a true course

Actual size of negative is C (approximately 4 x 5 inches).
Title and other information from caption card.
Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944.
More information about the FSA/OWI Collection is available at http://hdl.loc.gov/loc.pnp/pp.fsaowi
Film copy on SIS roll 30, frame 2023.