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  • australia Operation Grapple

    Christmas Island, Pacific Ocean


    01-may-57    to    30-sep-58





    Operation Grapple was conducted in several parts to test weapons produced in Britains thermonuclear development programme. It followed from the Operation Mosaic series of fusion bomb tests, held in mid 1956 off Monte Bello Island (Australia) and the Operation Buffalo test series held on mainland Australia in late 1956. The first Grapple series tests were on 15 May, 31 May and 19 Jun 1957 involving air drops from Valiants of 49 Squadron on Malden Island. The second Grapple tests were held around Christmas Island between Nov 1957 and Sep 1958 also using an air drop from Valiants of 49 Squadron and balloon supported detonations. Canberras, and the Whirlwinds of 217 Squadron were also present.
    In addition to the RAF presence, after re-fit with an angled flight deck, the ex Light Fleet Carrier, HMS Warrior sailed from HMNB Portstmouth during February 1957 to provide a maritime arifield. The Ships Flight Whirlwind HAR.3 took part in the operation.


    Units

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    DatesRotary Wing Aircraft UnitModels
        UK 217 Squadron Royal Air Force Whirlwind
        may57 to nov57 UK 1439 (Communications Support) Flight Royal Air Force Whirlwind
        jun57 to jan58 UK 1362 (Meteorological) Flight Royal Air Force Whirlwind


    Not all models shown may have taken part in the Operation


    Individual helicopters


    Model IDs
    Westland Whirlwind HAR.3 XG579     XG584     XG588     XJ397    
    Westland Whirlwind HAR.4 XD164    


    Ships

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    ClassesShips
    Aircraft Carrier  Colossus class   Royal Navy R31 HMS Warrior,







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