U.S. Army personnel catch dengue fever on a South Pacific island during World War II. Men on beds are given tablets. A sign for dengue fever. A U.S. Army camp near a native village on an island shows breeding places for Aedes mosquito which transmit dengue to humans. Mosquito control specialists destroy all the breeding places. Men inspect fuel drums and cans. A sign reads 'cans must be burnt'. Cans are smashed and bottles are broken. The cans are dumped in large containers. Gambusia fish are put into water to feed on dengue mosquito larvae. Swamps are drained. Coconut shells are burnt. Men spray drums of water. An official report after carrying out the cleaning campaign. U.S. troops after recovering from dengue fever. Locations on a world map show the spread of dengue fever. U.S. soldiers are treated for dengue.
Cruise of the whaler Herman to the Arctic. Polar bear hunting on Herschel Island. A Polar bear eating a seal on an ice floe. He jumps into the water and swims towards the shore. The bear comes ashore and runs inward. The crew in boats follow him ashore. They shoot the bear. Men hold the bear's mouth open. The dead bear. The dead seal on the floe.
Invasion of Okinawa. U.S. naval bombardment and shelling on island of Kerama Group. Landing crafts approach beach. LVT (Landing Vechicle, Tracked) move up on beaches of Okinawa. Infantry and armored units of 3rd Battalion, 305th Regimental Combat Team takes immediate control of beach. Japanese caves shelled by howitzers. Troops move inland and further. Japanese suicide boats along caves on shores destroyed by bombs. Japanese interpreter of U.S. 3rd Battalion asks a Korean prisoner in fields to go up hill and persuade Japanese for surrender. Korean prisoner goes towards hill with truce flag. Japanese come down hill. Surrendered Japanese Lieutenant sits with other men. American forces land on another island on Kerama Group where no civilian or military resistance is encountered. Flag rose at captured island. Troops plan invasion of another Kerama Group island aboard ship. Invasion of Tokashiki by U.S. troops. U.S. troops move inland. Troops march along trails on hill. Wrecked houses in town. Officer looks through binocular from observation post. American flag behind officer. Artillery fire shelling Tokashiki Island. (World War II period).
U.S. Coat Guard sailors aboard a Coast Guard cutter in the North Atlantic. The cutter attacks a German U-boat submarine. A sailor communicates over the radio. Explosions in the water. Sailor on deck. Oil from a damaged enemy submarine floats on the water. A CG cutter in heavy seas. Air and sea rescue boats patrol and search for airmen at sea. Sailors on the cutter. (World War II period).
Allied convoy underway through heavy seas in the North Atlantic during World War 2. Later, with seas calmer, the convoy speeds up. A seaman outlook spots a German submarine and depth charges are launched and explode in the water. Soon, the damaged German submarine surfaces and her crew abandons her as she sinks.
Allied bombers attacked by German 'flak ships' in English channel during World War 2. German AA crew members look out for allied bombers in skies and open fires. Shows a heat seeking missile chasing its target. German Messerschmitt Fighter pilots in battle above the Atlantic. Inside the cockpit view of a German pilot in mid air. Luftwaffe Me-109 and Me-110 aircraft open fire on U.S. B-24 Liberators and U.S. B-17 Fortresses and some are seen in flames. U.S. pilots eject in mid air. Smoking wreckage of downed U.S. fighters. Captured U.S. Army Air Force pilot taken away by German captors as a prisoner.