The need to develop air power in the United States. Battleships underway at sea. Eleven bi winged single engine aircraft fly in a V formation. A line of 6 battleships in water off the coast of New England, U.S. A 1920 vintage battleship fires a salvo from its guns at the enemy. The battleships fire guns. Shore batteries fire large guns. Sailors load a deck gun. An early model submarine. The submarine submerges. Its periscope visible above water surface. Naval crafts set their depth charges and fire them. Depth charges going off in the background. A ship sinks. A United States Army Air Service ( USAAS ) Curtiss PW-8 aircraft in flight. 4 bombs fall away from the aircraft. The bombs hit and explode on USS Alabama. Smoke rises as explosions occur on the ship. A ship rolls over and sinks. A USAAS Curtiss-Martin NBS-1 bomber in flight. Two bombs fall away from the aircraft. Explosions in water. Aerial and ground shots of a ship sinking. Large guns of a battleship fire. Animation of enemy airships and aircraft flying over water towards New York. Release of the aircraft from the airships. Aircraft flying over New York City. Aerial view of skyscrapers of the city. A Curtiss- Martin NBS-1 bomber in flight. Two bombs fall toward the ground. Animation of explosions against the New York skyline. A USAAS Curtiss JN-4 aircraft in flight. A bomb falls towards the ground. Animation of bombs hitting New York City. A machine gunner in a fighter aircraft fires at another aircraft. The aircraft falls and burns. Bomb explosions in the city. An observation balloon catches fire and falls. A man in a parachute descends near the balloon. Animation of a burning city. An early model submarine cruising. A bi winged twin pontooned aircraft in flight over a group of battleships and destroyers. A group of aircraft in flight. A Fokker T-2 aircraft in flight. Animation of an airship flying over a city and tying up to a mast located on the top of a tall building. A flag of the U.S. flutters in breeze.
The various types of drills and bits used for drilling into rocks in the United States. Men work on a drill steel heating furnace and sharpener as they prepare the drill steel by repeated hammer blows. The drill steel being hammered repeatedly. A man inserts a sharpener into the steel as they prepare it for auger drill.
Aerial views taken from a biplane at several altitudes over American battleships and other U.S. Navy ships off the west coast of the United States. Guy wires of aircraft wings clearly visible. Low altitude flyby (in order) of the Battleships USS Nevada (BB-36), USS Arizona (BB-39) and USS Idaho (BB-42), then the USS California (BB-44) and USS Pennsylvania (BB-38).
An industrial plant of Ford Motor Company in the United States. A crane in the industrial plant lifts a railroad locomotive from tracks. The crane turns it 180 degrees and lowers it back onto the tracks.
U.S. President Warren Gamaliel Harding plays golf in the United States. Harding poses with a golf club. He holds a golf club. The President hits a ball. People watch him playing. The President hits the ball while another player stands beside him.
A portrait of the President of the United States. A portrait of President Warren G. Harding.