Reusable rockets started with DC-X. SpaceX's first contract was for DARPA's FALCON Project (predates their rocket name). They're not exactly hiding intentions.
It goes a lot deeper than that. The inventor of space-based interceptors actually traveled to Russia with Musk in 2001 and they formed SpaceX on the flight home
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X stands for intercept
Reusable rockets started with DC-X. SpaceX's first contract was for DARPA's FALCON Project (predates their rocket name). They're not exactly hiding intentions.
It goes a lot deeper than that. The inventor of space-based interceptors actually traveled to Russia with Musk in 2001 and they formed SpaceX on the flight home
(See Michael D. Griffin)
It clearly doesn't. Any intercept in an X shape would have missed the target.
How does that work with SpaceX's product called X (formerly known as Twitter)