"Polar Bear" swimmers of varying ages swim in the icy waters of Lake Michigan in Chicago, Illinois. Men and women go into the frozen Lake Michigan. They use ice picks to dig holes through snow and ice into the frigid lake water. They laugh and splash water on each other while swimming
Many U.S. destroyers of the Pacific fleet, tied up in San Francisco harbor, California during World War 1. One displays the Number 33 (USS Trippe) and another, the number 23 (USS Drayton). Aboard one destroyer, sailors tie lengths of hose into bundles as the ship is underway.
World War I: Camouflaged transport ship; ferry boat; and a tugboat, in a river. Three U.S. Navy destroyers tied together, as another approaches. Six U.S. destroyers closely tied together.
Pictures of U.S. Navy ships that participated in World War I. The battleship USS Vermont (BB-20), Scout Cruiser USS Salem (SC-3) and Destroyer USS Aylwin (DD-47).
A training film based on biological warfare sampling and chemical warfare detection in the United States. Smoke billows up from a nuclear explosion. View of ground based cameras recording blast wave or shock wave impact from atomic bomb as it hits various test buildings and structures, destroying the buildings, including open warehouse type buildings and a house. U.S. Army NBC (Nuclear, Biological, Chemical) disaster control surveyors arrive and use an instrument at a dockside. Shows how easily a chemical gas attack can be made. An aircraft flies low and releases a chemical gas. A small explosion on a field. A man seated in a boat sailing. A car moves along a road. Charts depict agents used in chemical and biological warfare and summarizes their symptoms and effects. A list of diseases as a result of chemical and biological warfare.
A training film based on biological warfare sampling and chemical warfare detection in the United States. U.S. Army NBC (Nuclear, Biological, Chemical) disaster control training given to a survey team. The team monitor puts on protective clothing including hood, boots and a gas mask. He carries a radio for communication. Working equipment of the survey team monitor shows a biological sampling kit and chemical detection kit. Contents of the chemical detection kit include test tubes, bags to contain samples, swabs, aspirator bob, sterilized water, nutrient solution and a notebook. Contents of the biological kit includes instruction cards, detection tubes, universal detector papers, plastic container packets, inspection report card and cards to report findings in the field. U.S. Army officers at a wall chart and a desk during an NBC survey. The survey includes the sighting of a low level airplane releasing a chemical gas, a low order explosion on a field and a gas released alongside a road. U.S. soldiers in a jeep come to a stop and talk into a radio. Information reaches an officer at the control center. It is further dispatched to the survey team.
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