The reality of 'Air Superiority'

14th March 1945: RAF 'Grand Slam' bombs smash German targets and a USAAF pilot becomes an 'Ace in a Day' in Italy

A 22,000-lb MC deep-penetration bomb (Bomber Command executive codeword 'Grand Slam') released from Avro Lancaster B Mark I (Special), PB669 'YZ-C', of No. 617 Squadron RAF, explodes on its target, the railway viaduct at Arnsberg, Germany