United States naval proving grounds in Dahlgren, Virginia. A 110 feet rocket launcher at naval proving grounds. Men carry a rocket and place it on the launcher. Rocket being fired. Length of the launcher ensures accuracy. Rocket being fired and smoke rises.
A training film about the activities being carried out at United States naval proving grounds in Dahlgren, Virginia. Photographs of ancient ships at sea. An aircraft lands aboard an aircraft carrier. View of the U.S. naval proving grounds in Dahlgren, Virginia. An artillery at the ground. Velocity towers with coils used to determine velocity of a projectile fired. A number of booklets with a sign on them that reads 'AA range table'. Main battery building with the Firing officer at the bridge as he prepares for firing a 5 inch 38 caliber artillery. Men talk over phones as they check their communication instruments. A range boat stands by to ensure clearance of the area before artillery fire. Firing officer checks the firing circuit. Men prepare to record the velocity of the shell through photographs. Coils being raised to correspond with the angle of gun barrel. At the projectile house projectiles being numbered, weighed and measured. A balloon with a radio fixed to it being released to get weather information. Men at the gun mount as they magnetize the shells. Firing officer makes safety checks and 5 inch 38 caliber artillery being fired. Technicians record the velocity of the shell photographically. Photographic strip being developed. Technicians undertake calculation of data range table with the help of a map. Men unroll a map and work on it.
A training film about the activities being carried out at United States naval proving grounds in Dahlgren, Virginia. Aviation ordinance being evaluated at the proving grounds. U.S. Navy aircraft parked on a field as 50 Caliber gun being fired to detect for possible jamming.
A training film about the activities being carried out at United States naval proving grounds in Dahlgren, Virginia. A centrifugal chamber where a 50 caliber gun is being tested for ejection performance. A table rotates as a man looks at a gauge. Men attach a bomb on an aircraft catapult to determine the strength of shackles. Bomb falls during the test resulting in shackle failure.
U.S. Supreme Court Building in Washington, DC. Its address is One First Street, and it is bounded by East Capitol Street, Second Street, and Maryland Avenue. Seen are the 16 marble columns at the front entrance. Above them are an elaborately carved pediment., and below it, the architrave inscribed with the words: "Equal Justice Under Law." Two statues, by sculptor James Earle Fraser, flank the main steps. One is a female figure called "Contemplation of Justice." The other is a male figure: "Guardian of Law." An American flag flies from tall flag pole in front of the Supreme Court Building. The end of the clip shows the National Archives Building in Washington DC
Motorcade of General Douglas MacArthur on occasion of his return to the United States after being relieved of Command by President Truman. MacArthur is being welcomed by citizens of New York City. Crowds line the sidewalks, as seen from the view of accompanying newsreel photographers. Motorcade passes through streets of the city. Showering of ticker tape. Officers stand, holding the flag of United States. Troops standing at attention.
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