View of the Hall of Heroes at the Pentagon, in the United States, during the Vietnam War. Names of the war heroes in the hall. Nameplates of the war heroes of each historical conflict on the wall. Names of the soldiers and officers who served the best in the wars. Names under the nameplates reading: 'Interim Period (1866-1870)', 'Korean Campaign (1871)', 'Interim Period (1871-1898)'. Other nameplates read: 'War with Spain (1898)', 'Philippine insurrection (1899-1913)', 'China Relief Expedition-Boxer Rebellion (1900)'. Several other conflicts mentioned in the hall. Other nameplates read: 'World War I (1917-1918)', 'Haitian Campaign (1919-1920), 'Second Nicaraguan Campaign (1925)', 'Word War II (1941-1945) and 'Vietnam (1964-Present).
Slate indicates that 200 million gallons of gasoline are used annually in the United States for power (in 1925). View of a busy city street, possibly New York City, circa 1925 with motor vehicle traffic, pedestrians and many tall buildings. Many early automobiles seen. A worker tests flash point of kerosene. Lighted candle in stuck block of paraffin (wax) showing wax or parrafin as a byproduct of petroleum. Slate indicates that petroleum provides motor fuel, common light, a lubricant for machinery and other important by-products.
Lieutenant Al Williams flying a Curtiss R3C1 racer aircraft for the 1925 Pulitzer Race at Mitchel Field in New York, United States. View of the navy R3C1. Lieutenant Al Williams and a civilian look at a map laid out on a wingtip of the aircraft. Lieutenant Cy Bettis and Lieutenant Williams standing behind the navy R3C1 aircraft. Lieutenant Williams removes his uniform coat and cap, then Lieutenant Bettis helps him put on a parachute and he climbs into the cockpit of the aircraft. Lieutenant Williams seated in the cockpit of the navy R3C1. He smiles at a camera and puts on goggles. A civilian comes up to side of the cockpit and the two men confer over a small notebook. The navy R3C1 with its engine running on a grass field. Several Curtiss mechanics push the tail of the aircraft around. An army officer, a civilian and an army enlisted man are standing nearby and are watching. The navy R3C1 taxis in front of a small hangar. The army R3C1 takes off. Two aircraft flying over Mitchel Field during the course of the 1925 Pulitzer Race. The navy R3C1 lands. Lt. Williams wearing a flight jacket and a navy service cap.
In October 1925, crowd gathered to watch the Pulitzer Trophy air races at Mitchel Field, Long Island, New York. VIPs arrive in various automobiles. Army Air Service Curtiss R3C-1 airplane is pushed onto the field. Air Service Chief, General Patrick , speaks with Lieutenant Cyrus Bettis as Lieutenant James Doolittle listens. A Navy crew works on their entry in the race, similar to the Army Air Service airplane. Navy Lieutenant Al Williams seen with a pipe upside down in his mouth. Lieutenant Bettis taxis out for takeoff in his airplane number 43. Then Navy Lt. Williams proceeds to take off in his aircraft, number 40. Lt. Bettis breaks ground and begins to fly the closed course, coming very close to the ground at times. He lands and climbs out of the cockpit, surrounded by spectators and officials who are convinced he has won, registering a speed of 249 miles per hour. Navy Lt. Williams lands shortly thereafter having averaged 242 miles per hour. He is greeted by several spectators, including a young woman.
Two weeks later, the U.S. Army was represented by Lieutenant Jimmy Doolittle, who flew the Curtis R3C-1, again, but this time fitted with floats, at the Schneider Cup Seaplane Race in Baltimore, Maryland. He shakes hands with a young woman, just before the race. The Navy also entered with a similar seaplane, shown being pushed into the water. The British entry, a Glouster-Mapier IIIA is seen (replacing the Supermarine-Napier S.4, that was damaged). The Italian Macci M.33 is seen on a dock with engine running. The float planes taxi out over the Chesapeake bay waters to takeoff position. Doolittle is the first to take off and to return, logging an average speed of 232 miles per hour. He is seen smiling after the race.
Brief view of Josef Stalin and Mikhail Kalinin with Molotov and other revolutionaries observing Russian military parade, about 1925. Tanks roll on to the streets and heavy guns are also displayed at the parade. A completely separate scene, from 1946, shows Soviet Premier, Joseph Stalin and dignitaries strolling into the lobby of the Bolshoi theater, where Winston Churchill, Averell Harriman and Joseph Stalin pose for photographs.
One of the first helicopter tests at Soesterberg in 1925. Shows men assisting the helicopter for the first flight. The helicopter fuselage consists of a tubular truss, with an engine mounted on one end. Rotor-blades can be seen rotating in order to make a lift. The main rotor had two blades, which are restrained by cables so that the blades flap about a hinge. It is shown how flapping motion of blades is achieved and the view by a camera is also attached to rotor axis, showing the motion of blades.