United States naval proving grounds in Dahlgren, Virginia. Inside a temperature and humidity control room a man works on a circular dividing machine. Men at Akron relay calculator. Men work on a machine used to solve ordinance problems. A technician writes on a paper. A group of 10 people do calculations at the computation laboratory of the bureau of ordinance.
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. 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.
A film about aerospace medical evacuation and first aid operations for injured soldiers during the Vietnam War. Wounded American soldiers sleep in beds aboard U.S. Air Force C-141 aircraft. A soldier buttons up his shirt. Another soldier lying in bed as he talks about his injury. Nurses tend patients. A nurse gives a massage to a soldier. Pilot at controls in the cockpit. Aircraft lands and nurses get off the plane.
A film about aerospace medical evacuation and first aid operations for injured soldiers during the Vietnam War. A woman looks out of a window of her home. A car pulls up and American Army officer gets off the car as he returns after recovering from an injury during Vietnam War. Family members come out to welcome him. Officer hugs his family members.
Film about the conditions at German concentration camps in Europe during World War II. Affidavits by George C. Stevens and E.R. Kellog that attest to authenticity of scenes in the film. A map of Europe depicts the location of Nazi concentration camps.
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