A data shows that the fly is responsible for millions of progeny in the United States. The data depicts that as an adult female fly lays batches of 150 to 200 eggs several times during her short life, she is responsible for millions of progeny. To terminate the young flies: a woman pours formalin into a plate and places it in a window. The flies are poisoned and are terminated.
Diagram shows pattern of air currents that carried Japanese paper balloon fire bombs from Japan to America's West Coast, during World War II. The paper bomb balloon or fire balloon unit consists of the paper gas sac and an automatic balancing and firing control device. United States Navy personnel inspects the balloon as it descends to the ground. He looks at the paper bags filled with sand which provide balance and the central payload,incendiary and bombs. He holds paper material and inspects its strength. The balloon is filled with hydrogen gas. Pressure is exerted by a rubber ring. United States Navy personnel demonstrates the various parts: demolition block,aneroid switches,jacks,blow out plugs,incendiaries and central payload. He demonstrates the balancing mechanism: Balance bags,payloads and incendiaries are suspended by T-hooks switched between the blow out plugs on the balancing ring. A man unhooks the T-hook and releases balance bags.
After the United States Presidential election of 1936 in New York. Women seated on wheel cart or carriage move through streets of New York City in humorous stunt. Poster on cart reads "We Bet on Roosevelt". Man pulling the wheel cart hold a poster which reads "Landon also ran". President of the United States Franklin D. Roosevelt seated at desk. Woman shows him letters and cards he received after his victory in the Presidential election. President Roosevelt reads them.
USN (United States Navy) Task Force 38 ships in Gulf of Leyte during World War II. USN TBF Avenger torpedo bomber and SB2C Helldiver dive bomber approach and land on deck. TBF makes one-wheel crash landing on deck. Ground crews work on wrecked aircraft.
United States Navy planes land on USN Task Force 38 carriers in Gulf of Leyte during World War 2. CVL (Light Aircraft Carrier) underway. Formation of planes. A Curtiss SB2C-5 Helldiver airplane is waved off during approach and executes go-around before landing on USS Essex. Crewmen examine battle damage on wings and around cockpits of an SB2C-5 aircraft (pilot Lt. Roger Noyes) parked on the flight deck. Pilot in F6F Hellcat fighter (with four rising sun flags for enemy kills on fuselage) awaits signal for takeoff. Formations of other aircraft returning to the carrier.
Helipad traffic at the Pentagon in Virginia, United States. A control tower and the Pentagon in the background. A USAF (United States Air Force) UH-1N Twin Huey helicopter approaches and lands on a helipad. The helicopter takes off.
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