This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

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Good stub. An illustration of use or diagram would be helpful, and some further details on operational use would easily bring to start. Expansion on post-war use and clarification of 21st. century use (lead para) - who, where?- would also help. Monstrelet ( talk) 13:55, 13 March 2010 (UTC) reply

I rate it as Start at least, just needs more flesh and photos or diagrams. Petebutt ( talk) 10:25, 17 June 2010 (UTC) reply