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 male pseudonym James Tiptree Jr., has been discussed by several feminist literary scholars, amongst them Scott Bukatman, Melissa Colleen Stevenson, Veronica Hollinger and Heather J. Hicks. The major themes in "The Girl Who Was Plugged In" as seen in their articles referenced in this section are disembodiment and re-embodiment, performance of femininity, oppression of the female body by cultural power structures and the female body in a technological society. Veronica Hollinger, co-editor of the scholarly journal "Science Fiction Studies" of DePauw University, states in her article "(Re)reading Queerly: Science Fiction, Feminism, and the Defamiliarization of Gender" that women are forced