It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by northwolf
Your precious Vulcan is actually an developement from the much earlier Gatling gun, that was an manually operated machinegun in the late 19th century...
and Vulcan is specifially the 20mm weapon, 30mm is called by another name (if i'm correct)
Please do some research before flaming into other peoples threads...