A training film about planting antisubmarine mines. Scenes aboard the U.S. Army Coast Artillery Mine Planter Vessel, "General J.M. Schofield," in U.S. coastal waters, pre World War 2. Mine number 10 and an anchor are lowered into the water over the side of planter vessel. An animation shows a mine planter's movement while planting a mine in relation to the Distribution Box (DB) boat. A yawl comes and measures the level of submergence of the mine and puts a flag on its top. An animation shows the underwater position of a mine. A man connects various cables to the distribution box. An animation shows the manner in which planter comes back to DB boat and plants mine number 9. Mine number 9 lowered into the water over the side of a mine planter. Cable from figure of eight released over the stern. A yawl comes in and measures the level of submergence of the mine. An animation shows the movement of a reel. Another animation shows the mine planter maneuvering and planting various other mines. A man attaches cables to distribution box. Box covered and pulled up on a hook and then carried to the bow. Distribution box being released into the water over the side of the boat.
Pre-World War 2 training film contains animated description about control and operation of a mine field containing deep planted mines in domestic coastal waters. It shows observing stations on the shore sighting mine positions and that information being translated to a plotting board in a control room. Illustration of vessel being targeted by a controlled mine. Views of mines being tested against obsolete warships. Illustration of submerged submarine with planted mines in the vicinity. A mine explosion. Several battleships underway.
In World War II: A man pulls a lever of type used to release a torpedo from a German plane in flight. View of German torpedo bomber biplane float plane in flight. View as torpedo is dropped from the German torpedo bomber aircraft. View of torpedo running in water just below surface. Torpedo hits a mine and an explosion occurs at sea. Giant water plume from explosion.
Activity aboard United States battleship New Mexico before the invasion of Guam during World War 2. U.S. Sailors aboard the New Mexico recover fired and hot 5-inch powder cases in cans on board the ship. They place and stack cans on the deck of the ship.
Activity aboard United States battleship New Mexico before the invasion of Guam in Pacific Theater during World War 2. The New Mexico, BB-40, fires her 5-inch/51 casemate mounted guns. Time 00:28 shows a stern view of the battleship USS Mississippi, BB-41.
Atlantic conference during World War II. Views of the British Battleship, HMS Prince of Wales, anchored in Placentia Bay, off Argentia, Newfoundland. Views from the U.S. Cruiser, USS Augusta, as it approaches the Prince of Wales. World War 2 British sailors aboard the British Battleship, handle lines to hold the two ships close together. View of Prime Minister Churchill and Sir Alexander Cadogan, Permanent Under Secretary of State for Foreign Affairs, returning to the Prince of Wales. The weather is rainy.
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