true Yeoman its been through that many variations. I thought the piranah wasn't suitable which is strange as the Aussies, Canadians and New Zealanders seam to like it.
As to Challey 2 slight problem it will need a new gun soon as Bae don't make ammo for it an its different from the rest of the worlds 120mm. Why have bae stopped making it well the govt stopped ordering it.