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
Wing Commander II: Vengeance of the Kilrathi "Confederation" ships, which open fire on Blair when he arrives to investigate. The hostile fighters are from the TCS "Gettysburg", a "Waterloo"-class cruiser. She was stationed in the N'Tanya system, where a Kilrathi colony has been undergoing a rebellion against the Empire. Loyalist Kilrathi citizens were allowed to leave N'Tanya peacefully, but the "Gettysburg"<nowiki>'s</nowiki> skipper, Commodore Cain, ordered his pilots to open fire on their transports. The entire flight group, led by Wing Commander Col. Ransom, Lt. Col. Poelma, and Lt. Jason Bondarevsky, mutinied against the order to kill innocent civilians, and Cain was dispatched back to Confed HQ. Unfortunately,