A map of United States. Tourists couple on shore of Lake Itasca. View of Mississippi Headwaters Monument post that gives information about the Mississippi River starting at that location, originating 1475 feet above the sea level from the glacial Lake Itasca. The couple crosses a water channel through stepping stones.
A film on the manufacture and uses of M-3 medium tanks in the United States. The headquarters of the armored forces of the nation at Fort Knox in Kentucky. A sign board reads: "U.S. Military Reservation, Danger, Keep Out, Range firing in this area Unauthorized persons entering this area, do so at their own risk, By order of the Commanding General." Soldiers aboard tanks. The tanks move on the practice fields. A tower in the background. Smoke rises as the tanks fire. A ship in a harbor. Tanks loaded aboard the ship. Men work. The ship underway. (World War II period).
Navy Recruitment office in Indiana. The Chief Petty officer interviews the applicants. Applicants sit in front of the officer. United States flag on the wall. A sign reads 'Navy Recruiting Service'. Three applicants sit on the right. Applicants talk to the Chief petty officer.
United States Army post office in Indiana. Piles of letters on tables. A man empties a bag of V-Mail (Victory Mail). A group of men opens the envelopes and arrange the letters in neat piles. V-mail symbol and V-Mail written on envelopes. A letter in view.
US Army Air Force training film on the A-N Gun Camera - Scoring of Gun Sight Aiming Point Film. Army Air Forces AT-6 aircraft towing a target sleeve as other AT-6s shoot at it. AT-6 training aircraft in flight with gun camera installed in the aircraft. Pilot seen in cockpit. The aircraft, parked on ramp. Pilot climbs out of cockpit, wearing seatpack parachute. An armorer removes the film magazine and then completes a scoring data form. The film is taken to a laboratory to be developed and scored. A Lieutenant explains gun camera scoring to a group of Air Force personnel, in an auditorium. He winds the film on a 100 foot reel, removing any damaged or unused film and splicing a leader on to it. He writes pilot and mission information on the film leader. Lecturer then illustrates scoring process, using a blackboard, and demonstrating with a scoring device adapted from a 16mm motion picture projector. Finally he displays charts dealing with trajectories of 30 caliber ammunition and relationships of range, span of target, and image size. He performs arithmetic calculations on the blackboard. Animated diagrams illustrate points being discussed. A Lieutenant in the audience asks about ground targets, and the instructor discusses that and also responds to several other questions from the audience. (World War 2 period.)
U.S. soldiers demonstrate a mobile laundry developed by Quartermaster Corps for the troops in field. A mobile laundry truck passes through a forest in Maryland, United States. It is parked near a pond. Two soldiers put a landing gear on the ground so that a container may rest on it. Two soldiers set the corner stand jack. The trailer is uncoupled and the prime mover is camouflaged under a tree. Four soldiers set up the laundry machine. The soldiers connect a pipe from the machine to the pond. Two soldiers setting up a water pump. The soldiers unloading laundry from a truck. A soldier puts on the washing machine. A soldiers loads the machine with clothes. A soldier takes out the clothes from the centrifugal drier. Two soldiers take out dry clean cloths. Some soldiers pack the clean cloths. A truck filled with the clean clothes leaves. (World War II period).