U.S. Army cavalry troops on horseback and horse drawn carriages, during training exercises prior to participation in the Punitive Expedition in Mexico under leadership of General Funston. Troops fire rifles from bushes during exercises.
Atomic bomb production and its use in the United States. Doctor Ernest O. Lawrence experiments with the cyclotron at the University of California, Berkeley. View of the exterior and interior of the cyclotron. An animated diagram shows the results of the splitting of the uranium atom. Diagram shows a nucleus, electrons and protons. Atomic structures of Helium, Lithium and Uranium. A diagram of the creation of barium and krypton, and the release of atomic energy. Aerial and ground views of Y-12 atomic energy testing, uranium enrichment, and manufacturing plant at Oak Ridge, Tennessee. Workers walking on the grounds of the the plant. The Trinity Shot first atomic explosion is shown near Los Alamos, New Mexico on July 16, 1945. Flash of explosion and a cloud of smoke rises as seen from U.S. Army cameras 6 miles away. Two other views of the explosion are seen from other camera positions while narrator explains the effects. U.S. President Harry S. Truman speaks of the need to keep the secrets of the atomic bomb among the U.S., the U.K, and Canada, alone, until they find successful techniques to control the bomb and protect the world from total destruction. He indicates that he will work the the U.S. Congress in the effort and make the power a force for world peace. Truman asks that God guide the U.S. in how to use the technology in His ways and for His purposes. (World War II period).
A film based on the Plum Island Animal Disease Center in Long Island, New York which is dedicated to study of foreign animal diseases. Animated map of the United States of America depicts the New England region of the U.S. affected with foot and mouth disease of animals during year 1870 and Mexico and Canada affected by epizootics in 1946 and 1952 respectively. A technician stores animal foot and mouth disease virus in a laboratory freezer.
Overview of Panama City, Panama. U.S. Presidential Lockheed Constellation airplane, the Columbine, taxis in after landing. U.S. President Dwight Eisenhower deplanes is greeted by representatives of the American Republics. Building in which meetings will be held. The Heads of State of American countries seated at a conference table. Place names visible include: Peru; Bolivia; Uruguay;Nicaragua; Haiti;Mexico;Equador;United States; Cuba;Venezuela;and Paraguay. Large group of photographers record event. "Cromocine" written on side of one camera. On July 22, 1956, President Eisenhower, in tuxedo with white dinner jacket, and other Heads of State, and ladies formally dressed, enter a reception hall, where President of host country, Panama, decorates the attending heads of state, including President Eisenhower.
U.S. battleships underway in Hampton Roads, United States. The battleships underway in a column formation include USS Idaho, USS Mississippi and USS New Mexico. Troopship Henderson underway at sea.
West Point Military Academy's history and traditions are depicted. Airmen seated in a room. An officer instructs them about aerodynamics. He explains them aerodynamics with the help of a diagram on a board. A portrait gallery and battle memorials in view. Signs read: 'Mexico-Buena' and 'Chapultepec'. Soldiers advance with the flag of the U.S. on the battlefield. The American flag hoisted on a flag pole. The soldiers stand at attention and an officer talks to them.