To counter the threat from a Soviet blue water navy, a large investment was made in the years from 1945 until the 1960s to develop maritime patrol aircraft. For years the Air Staff and the ministries argued over what type should replace the Shackleton, including variants of the Vulcan, the Britannia, VC10 and Trident, before one man strode into the MoD building in 1964, settling the argument with what became Nimrod. To seek and destroy Soviet submarines,...