I think this class of UFO (the floating tic tac) is the result of secret rail gun testing projects, with novel inertial guidance packages inside them. Hence the

I think this class of UFO (the floating tic tac) is the result of secret rail gun testing projects, with novel inertial guidance packages inside them. Hence the lack of any obvious propulsion. They’re a new kind of guided ballistic penetrator, maybe with aerogel exteriors, and steerable internals.