They should nickname it "Triggers Broom"
WK163 first flew after modification on the 20th May 1956 and whilst undertaking these trials the aircraft obtained the world record for aircraft altitude at 70,310ft on the 28th August 1957
Whilst at Pershore in April 1966 WK163 was converted to Mk B6 specification being fitted with Canberra MK B6 mainplanes and engines
Then during April 1972 the B2 nose was removed and replaced with a standard B6 nose from Canberra XH568
Martin/English Electric B-57 Canberra Registry - A Warbirds Resource Group Site