U.S. Arms Experts develop powerful weapons. U.S. Bomber aircraft B-25 on ground. A 75 mm cannon fired from the B-25 Bomber. The 75 mm field piece was used during World War I and later mounted on tanks. Parachute bombs used for low level bombing. Parachute delays bomb descent and help the plane escape from bomb blast. U.S. Army Officers observe mass artillery barrage by rapid firing.
Ground and air search operations for missing crewmen of a Strategic Air Command (SAC) B-52 aircraft of 99th Bomb Wing. The plane crashed against the side of Elephant Mountain, Maine. Men wearing snow shoes walk to B-52 wreckage. Investigation team examines the scattered wreckage. CH-3 plane in flight above search area. CH-3 circles around the woods. Military men and operator boarding Bombardier Ski-Doo snow sleds. Personnel wearing snowshoes use radio equipment.
Ground and air search operations for missing crewmen of a Strategic Air Command (SAC) B-52 aircraft of 99th Bomb Wing. The plane crashed against the side of Elephant Mountain, Maine. Military men stand around HH-43B helicopter on snow covered ramp. Rotors of the helicopter turn. Helicopters in the background. Pilot and co-pilot search over lake and mountain. Helicopter crewmen in rear of helicopter look out. Two men in basket hoisted inside helicopter.
U.S. Project Combat Trap/Commando Vault using outsized bombs to create helicopter landing zones in the jungle, during the war in Vietnam. (At first, the project used 10,000 pound World War II M121 bombs. In 1970, it switched to the 15,000 pound BLU-82/B bomb, also called a "Daisy Cutter".) View from another aircraft, of a C-130 aircraft in flight overhead. View inside the cargo compartment of the C-130 flying , with its rear cargo door open, above a layer of clouds. A parachute trails behind the aircraft, attached to a large pallet on which a BLU-82/B (Bomb Live Unit-82) is fastened. The load is released and the parachute pulls the pallet and bomb out of the plane. Scene reverts to the view of the C-130 from another aircraft. The parachute and bomb are seen falling from the C-130. Camera follows them as they fall through the cloud layer. Next, a huge ball of fire is seen in the jungle below. Dense gray smoke billows upward. Scene shifts to view from a helicopter flying closer to the ground, which is obscured by dense tree canopy below. View of the explosion site shows depression in the jungle canopy, but the helicopter doesn't get close enough to reveal more.
United States Air Force General Jack J. Catton on a walking tour of Tan Son Nhut Air Base in Vietnam. General Catton and other officers move out of a building and get into a car and drive away. General Catton arrives at MAC (Military Airlift Command) post. A United States HH-43B being refueled. Catton's car pulls up at the base. Crew of HH-43 B lines up as General Catton speaks to them. He enters the helicopter and it lifts off. (Vietnam War period).
Missions by 463rd Air Division in support of humanitarian and combat operations in South East Asia. C-130B Hercules lands on dirt airstrip at Trang Duc Special Force camp in Vietnam. The aircraft taxis on airstrip leaving a trail of dust. C-130B Hercules comes to a halt. (Vietnam War period).
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