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
Who? Who? ministry Who? Who? ministry Edward Smith-Stanley, 14th Earl of Derby led the "Who? Who?" ministry, a short-lived British Conservative government which was in power for a matter of months in 1852. Lord Derby was Prime Minister and Benjamin Disraeli served as Chancellor of the Exchequer. It marked the first time the protectionist wing of the Conservative Party had taken office since the Corn Laws schism of 1846. It is also called the first Derby–Disraeli ministry . Early in 1852 Arthur Wellesley, 1st Duke of Wellington, by then very deaf, gave Derby's first government its nickname by shouting "Who? Who?" as the