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Title:OPERATION GRAPPLE Y EXPLOSION 1958 [Main Title]
Film Number:AWE 32
Other titles:BRITAIN'S ATOMIC WEAPONS RESEARCH PROGRAMME COLLECTION [Allocated Series Title]
Summary: Trials film with commentary featuring the detonation of Operation Grapple Y on 28 April 1958 at Christmas Island in the South Pacific. Features various camera sites and the explosion from different viewpoints, including a highspeed Eastman Kodak camera onboard a Valiant bomber and a 35mm Arriflex onboard one of the Shackleton observation aircraft. Footage of the detonation filmed both in the air and on the ground is show, including some impressive shots of the fireball and subsequent mushroom cloud formation.