Venezuela.
Viewed purely through a strategic lens, this is about limiting China’s influence in South America.
China has poured substantial investment into Venezuela. If Chinese long-range artillery or mid-range missile systems were ever stationed there, then in the event of a conflict over Taiwan, those assets could be used to threaten the Panama Canal and jeopardize oil infrastructure across the Caribbean and even southern Texas.
That said, he also echoes the many valid concerns about the unconstitutional nature of this action. Still, he’s the only person I’ve seen clearly articulate the broader strategic rationale behind it.