Thinking about it, I suppose it must................. But Bedford trucks take the cigar, although that's nit really comparing like for like. The true prize is the Bren Gun. Non stop from August 1938 until February 2002 and then on, by default until the last 6 were withdrawn in 2008.
The Vickers, by comparison is a mere child, from 1912 until Aden (paratroopers) and Borneo (Gurkhas) in June/July 1968