Originally Posted by
ZH875
Page 125 of Andrew Brookes 'V Force' states that 'when modified [for Blue Steel] these airframes, which were all 200-series engined aircraft, were known as Vulcan B2As.
Perhaps when built but they did not stay that way. I was a young 'Linie' at Scampton in 1965 and definitely recall that some of the Blue Steel Vulcans had 301 engines.