U.S. sailors march at U.S. Naval Training Station, Great Lakes (Naval Station Great Lakes) during World War I. A car driven across a long bridge. A freighter underway at sea. Brief slate between scenes reads, "Americans! The Navy needs Eyes to assist Lookouts on our Vessels. Will you help by loaning Binoculars, Spyglasses, and Telescopes? They will be returned to you after the war. Mark them with your name for identification and then send them to Hon. Franklin D. Roosevelt, Assistant Secretary of the Navy, Naval Observatory, Washington D.C. Thanks! Uncle Sam." United States Navy sailors march. Officers review them. A building in the background and a cannon in the foreground.
United States naval proving grounds in Dahlgren, Virginia. Photography being used to determine the rate of spin of a projectile. A man works on a micro flash camera and light flashes. As the projectile is fired two flash lights being used to take a picture. A photograph of the projectile after firing. Difference in position of projectile from one photo to another helps to establish the rate of spin.
United States naval proving grounds in Dahlgren, Virginia. A Mark -108 rocket launcher as rockets are being launched from it. Color photo cameras being used to record flight characteristics of a missile so as to determine trajectory. Men look through camera lenses as they record elevation of a missile. Men use high speed tracking cameras for the purpose. A photograph of an aircraft with a clock.
U.S. Marines in the Solomon Islands during World War II. A United States Marine holds a U.S. and a Japanese rifle and compares them. Bullets of a rifle. A Marine ties a wooden piece on his feet. A Marine climbs up a coconut tree.
Three United States Army Majors, of the U.S. Military Assistance Command in Vietnam, confer as they look at a map. The officers point at the map. Another U.S. Army major reads from a document as he points. (Vietnam War period).
U.S. aircraft bombard Japan during World War II. U.S. Army Air Forces B-29 aircraft on an airstrip in Saipan. Pilots being briefed by Brigadier General Emmett O' Donell. Officers make final checks about the mission on a map. B-29 aircraft take off for the bombing mission. Aircraft in formation flight. Bombs being dropped on Tokyo and smoke rises as bombs impact. Aircraft return to the air base after the mission. Smoke rises from the airfield as a result of Japanese attack. B-29 aircraft on fire and smoke rises. A Japanese bomber aircraft goes into a kamikaze suicide dive. Smoke rises from the airfield. Wreckage of B-29 aircraft.
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