Heavy bomber version of the bouncing bomb, was used to destroy the Mohne and Eder dams by Lancasters from the specially recruited and trained 617 Squadron, often known as the Dambusters, under Wing Commander Guy Gibson. In March and April 1945, as the war in Europe was ending, Lancasters dropped Grand Slams and Tallboys on U-boat pens and railway viaducts across north Germany. At Bielefeld more than of railway viaduct was destroyed by Grand Slams creating an earthquake effect, which shook the foundations. The Boeing B-29 Superfortress was a development of the Fortress, but a larger design with four Wright R-3350 Duplex-Cyclone
The Girl Who Was Plugged In reader. Stevenson points out that after this, the reader is rebuked three different times for not focusing on P. Burke but each time this happens, the narration is moved to descriptions of the futuristic soundings, presumably in accord with what the male reader truly desires to read about. This goes back to what Heather J. Hicks states about the importance and success of the ideal feminine body compared to the non-ideal feminine body. P. Burke’s body is considered unimportant and the way the story is written and paced suggests just this point. Another theme of The Girl Who Was Plugged