7 most interesting classified engineering projects

An editorial contact of mine recently told me about his friend, Gerald Bull, and Bull’s work on several highly classified engineering projects, including Project Babylon. Babylon involved using a proposed gun-fired satellite launcher as a means of super artillery. Bull was eventually assassinated in Brussels in 1990 and questions remain about who was behind it. Here’s a look at some of the biggest, most interesting secret engineering projects—well, at least the ones we’re allowed to tell you about …

1. Project Babylon


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