The Gatling Gun-style weapon, which is based on the 20mm M61 Vulcan autocannon, can fire 20mm x 102mm rounds at an extremely high rate. It has a dual fire rate of either 3,000 or 4,500 rounds per ...

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It's Britain's longest motorway and carries - over its whole length - more traffic than any other. Part of it was also Britain's first. The first motorway in Britain was the Preston Bypass, which ...