The German Battleship Ostfriesland being bombed in U.S. Army/Navy tests of ability to destroy a battleship from the air. A formation of U.S. Navy Curtiss F5L seaplanes is seen flying above. Medium size (not over 600 lb bombs hit on and near the Ostfriesland.
Explosion is seen from bomb dropped, by U.S. Army aircraft (not seen), on the German Destroyer (G-102) during tests conducted by unit commanded by Brigadier General Billy Mitchell. A deck gun is fired by crew on a U.S. Navy vessel.