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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