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And the one invention which is often incorrectly assumed to have been invented for military use? That’s probably Velcro. Although it has proved invaluable in securing objects in a gravity-free ...

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More from Military & Defense A lot of things you use ... the author of the book "The Imagineers of War," describes a few of these inventions that you might not have been aware of, like the Roomba.

The invention is already saving more than $25,000 per year. Read more at AF.mil. Read more Air Force news on Military.com.