https://en.wikipedia.org/wiki/War_Plan_Red
U.S. Government planned to invade Azores
https://en.wikipedia.org/wiki/War_Plan_Gray
U.S government does a lot of contingency planning
https://www.globalsecurity.org/military/ops/war-plan-rainbow...
https://en.wikipedia.org/wiki/War_Plan_Red
U.S. Government planned to invade Azores
https://en.wikipedia.org/wiki/War_Plan_Gray
U.S government does a lot of contingency planning
https://www.globalsecurity.org/military/ops/war-plan-rainbow...
Sure they didn't do it, but that they felt they had the authority to consider it (in a democracy, where they answer to us) speaks volumes.
Consider the world of information security, which I'm involved in. What's the best way for blue team (defenders) to protect their assets? Look at what the red team (attackers) are doing/targeting. That doesn't necessarily mean their active avenues of attack, but what are their trends, possibilities, means and ways. The same cuts true for the opposite scenario.
But Puerto Rican hurricanes aren't on the radar apparently.
Ironically, the Portuguese are very upset now that the U.S. is pulling more and more soldiers away from Lajes as it's leaving a hole in the local economy.