Demonstration shows bar charges being placed and exploded against a wall in the United States. Four 34 pound charges being placed against a concrete wall and being detonated. An explosion occurs. As a result of the explosion four bore holes having a diameter of 5 inches occur. The holes being cooled with water. The holes being filled with 90 pound of C-2 explosives. Charges being detonated and explosion occurs. A gap results and a tank passes through it.
A demonstration shows bar charges being placed and exploded against a wall in the United States. The face of a 45 degree sloping wall. Bar charges are placed on the wall by soldiers. The soldiers place the bar charges on the face of the wall to demolish it. An explosion occurs and billows of smoke rise. The explosion results in an 18 feet wide gap. A United States Army tank passes through the gap. (World War II period).
A demonstration shows bar charges being placed and exploded against a wall in the United States. The face of a 30 degree sloping masonry wall. 24 packs of bar charges are placed on the face of the wall. An explosion occurs and smoke rises. The explosion results in an 18 feet wide gap. A U.S. Army tank passes through the gap. 24 packs of bar charges are placed at the center of the masonry wall. An explosion occurs and billows of smoke rise. A 16 feet wide gap is created and a U.S. Army tank passes through the gap.
A demonstration shows bar charges being placed and exploded against a wall in the United States. Soldiers place bar charges on a Japanese stump wall. 24 packs of bar charges are placed on the wall for detonation. An explosion takes place and smoke rises. The explosion results in a 12 feet wide gap in the wall and tanks pass through the gap. The bar charges are placed on a five feet high Japanese log wall. An explosion occurs and a 15 feet and 3 inches wide gap is created. A U.S. Army tank passes through the gap. 24 packs of bar charges are placed on a Japanese wall and an explosion occurs. Smoke rises due to the explosion. A U.S. Army tank passes through the 16 feet wide gap created in the wall. The soldiers near the bar charges. They place the charges under water for a detonation. A steel obstacle. The bar charges are placed at the joint of a member of a steel fence for a detonation. (World War II period).
A demonstration shows bar charges being placed and exploded against a wall in the United States. The bar charges are placed against concrete anti vehicular obstacles. Vertically placed bar charges against an obstacle. The bar charges are placed against a log wall, a masonry wall and a concrete wall for detonations. Soldiers place C-2 and other charges with a thickness of 8 inches against the concrete wall. Explosives being detonated and smoke rises. The soldiers carry the charges. An explosion occurs and billows of smoke rise up. A tank passes through the gap created as a result of the explosion. M1, M2 and M3 demolition blocks being used for the purpose. (World War II period).
United States Pathfinders paratroopers of 9th Air Force Troop Carrier Command work on their Eureka Beacons and Rebecca Transmitters at North Witham RAF Station,Grantham, England during World War 2. Their actions are monitored by Capt Neal McRoberts, Commanding Officer, Company F, 2d Battalion, 505th Parachute Infantry Regiment, 82d Airborne Division. He reviews the soldiers. They unload full packs and place them on the ground. Troops unpack and set up equipment. Signal blinkers and power packs being set up. Men work on the power packs as the signal blinker placed on a tripod stand blinks. .
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