One of the many R&D tasks that Canberra B(I)8 Mod WT333 was used for was the test and re-calibration of the Harpoon anti ship missile. The Harpoon being an American system was originally calibrated to operate in the Pacific Ocean area but to operate over on this side of the globe the software had to be re written and calibrated for the North Atlantic waves. These trials required WT333 to fly attack profiles so the weapon could be re-calibrated. The mode is based on the Airfix 1/48 B.2 with a lot of home made mods the full build is here if you want to take a look http://www.britmodeller.com/forums/index.php?/topic/234988093-wiggaly-amps-canberra-bi8-wt333/
Thanks for looking
John