Our military power and logistics would do a lot for building/rebuilding infrastructure either to prevent or help after climate disaster.

It would be a way to avoid "footing the bill" by providing an invaluable service, and not copping to a dollar amount of responsibility (what truly matters), if others are helping fund resources. No messy "reparations" talk for stupid culture wars, and can even try to turn it into a "rah rah USA!" thing watching our boys kick ass and help the world. Shit, I'd even feel some pride for us sending them overseas for once in my lifetime.

It would actually be peacekeeping missions without shooting anyone. What a concept.

Plus, what politician doesn't like more excuses to keep the military machine up?