Lancaster B.MkI. That would be awesome, but instead of a Tall Boy, make it a Grand Slam; the largest conventional bomb ever dropped during WW2; a 22,000 pound monster, designed to destroy submarine pens.
Size comparison between the Tall Boy (12,000lb.) and the Grand Slam (22,000lb.).
A Grand Slam bomb being handled at RAF Woodhall Spa in Lincolnshire.
An Avro Lancaster of RAF 617 Sqn. dropping a Grand Slam at the Arnsberg Viaduct, Germany. March 19th, 1945.
Effect of a Grand Slam bomb on the Valentin Sub Pen in Farge, Germany. March 27th, 1945.