The U.S. Navy battle fleet engaged in Fleet Problem (number 5) in 1925. Armed U.S. sailors wade ashore from whale boats. They assemble and march from the beach carrying the colors. Sailors and marines charge across a beach area and fire their rifles at targets from prone positions. They jump up en masse and repeat the process closer to the targets. U.S. warships anchored (possibly at Pearl Harbor).Martin SC-1 float planes take off on scouting mission. A formation of Martin SC-1s in flight. U.S. Submarine (SS-44) glides abeam a battleship. A line of submarines moving on the surface past a battleship in the background. A pair of light cruisers underway.
Line of U.S. battleships, including 1917 class (New Mexico class) such as the USS Idaho, USS Mississippi, USS New Mexico. Image of U.S. Capitol in Washington seen. U.S. Navy sailors parading in Washington, DC. Crowd gathered at Washington monument. Sailors on signal bridge of a U.S. warship, hoisting signals. Ships in distance. U.S. Navy sailors, aboard a destroyer, launching depth charges which explode and produce upsurge of water, behind the vessel. Sailors hurrying to their battle stations.
A line of U.S. Navy destroyers lays down a smoke screen at sea. Battleships maneuver partially to starboard and raise guns in their triple turrets. Two biplanes take off from an aircraft carrier (one is an amphibious plane). A formation of Martin CS-1 float planes seen from one of the aircraft in the formation. Formation of CS-1s flying overhead. Several cruiser ships underway in formation. Battleships maneuvering. A formation of destroyers led by the USS Mullany (DD-325). A submarine underway at periscope depth. Port side view of a battleship. Destroyers churning up the sea. The USS Barry (DD-248). Sailors launching depth charges.
Views of derricks,oil drilling machinery in operation and refinery workers at work in Califorina. Oil drilling derricks in coastal waters of the Pacific Ocean. Derricks at oil wells in the city of Los Angeles, California. Cluster of oil drilling derricks over a rich oil pool beneath the ground in that area.
A squadron of U.S. Army Air Service Keystone B-3 bombers in formation. Interior view of a compartment. Pilots seen from behind as they sit side-by-side in open cockpit. Corrugated panels on upper fuselage behind them. Pilot manipulates controls to release a bomb. View of bomb falling and striking target ship.