The U.S. Army Air Service demonstrates the effectiveness of aerial bombing in the United States. A phosphorus bomb explosion on the mast of the USS Alabama battleship. A smoke screen is laid up during the bombing test.
Views of U.S. Army Air Service Lieutenant James Doolittle, winner of the Schneider Cup Race, and of his Curtiss R3C-2 airplane equipped with floats. Brief view of Lieutenant Cyrus Bettis, climbing out of his R3C racing airplane, after winning the Pulitzer Trophy.
U.S. Army pilot Lieutenant Cyrus Bettis gets out of his Curtiss R3C-1 racer airplane after winning the Pulitzer Trophy Race and setting a new world speed record of 249.3 miles per hour in the International Air Races at Mitchel Field, New York. He is congratulated by U.S. Army Air Service Major T. G. Lanphier.
A seaplane flies overhead an obsolete battleship in the United States. An obsolete battleship bombed. Bomb bursts around the battleship. Fire and smoke rise in the sky. Animation construct of a model battleship. The model battleship heavy armor protection on the decks. Light superstructure of the model battleship.
A U.S. Navy C-type or C-class blimp number C-7 takes off. A manned kite balloon is tested, floating above a U.S. Navy ship at sea. Sailors aboard a ship. An observation balloon towed by the stern of a battleship. U.S. Navy rigid airship USS Los Angeles leaves a large hangar. A Navy mechanic oils part of the airship's mechanisms during flight. USS Shenandoah airship in flight. USS Shenandoah airship (ZR-1) moored to mooring tower on the stern of the USS Patoka replenishment oiler ship. USS Los Angeles (ZR-3) airship leaves Friedrichshafen, Germany, where it was built as part of World War 1 war reparations, and is seen bound for New York as German crowd on the ground waves. Views from the USS Los Angeles in flight. U.S. President Coolidge and first lady Mrs. Grace Goodhue Coolidge stand by USS Los Angeles upon its arrival in the United States.
United States Air Mail Service. A special mailbox with writing "Air Mail Only, Special Air Plane Postage" written on it, with various prices in cents also listed. Mailbox is located in an urban city area. Tag at base of box says "City Hall station." Next scene shows planes in front of a hangar. "US Air Mail Service" sign atop hangar door. An early model 1920s truck arrives in the foreground. Men load mail in the forward cockpit of mail plane. Biplane aircraft in flight to deliver mail.