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Armourers wheel a 4,000-lb HC bomb ('Cookie') for loading into a De Havilland Mosquito B Mark IV (modified) of No. 692 Squadron RAF at Graveley, Huntingdonshire. No. 692 Squadron was part of the Light Night Striking Force of No. 8 (PFF) Group, which specialised in fast, high-flying night raids on Germany, particularly Berlin. The specially-modified Mosquitos were fitted with bulged bomb-bays in order to accommodate 'Cookies'.
![Cookie & Grand Slam Large_000000](http://media.iwm.org.uk/ciim5/53/494/large_000000.jpg?action=e&cat=photographs)
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A 22,000-lb MC high explosive deep-penetration bomb (Bomber Command executive codeword 'Grand Slam') is manoeuvred onto a trolley by crane in the bomb dump at Woodhall Spa, Lincolnshire, for an evening raid by No. 617 Squadron RAF on the railway bridge at Nienburg, Germany.
![Cookie & Grand Slam Large_000000](http://media.iwm.org.uk/ciim5/53/686/large_000000.jpg?action=e&cat=photographs)
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Avro Lancaster B Mark I (Special), PB996 'YZ-C', of No. 617 Squadron RAF, flown by Flying Officer P. Martin and crew, releasing a 22,000-lb MC deep-penetration bomb (Bomber Command executive codeword 'Grand Slam')
![Cookie & Grand Slam Large_000000](http://media.iwm.org.uk/ciim5/53/687/large_000000.jpg?action=e&cat=photographs)