Cheaper dollar boosts US exports. Makes imports more expensive even before tarrifs. Which situationally, some industrial sectors will want. The exporting ones. The ones reliant on imports, less such.
The US isn't self sufficient in food. Food imports are going to get more expensive.
Guns and missiles don't even make it into the top five U.S. export categories. The largest good exported is civilian aircraft parts, although it pales in comparison to business services exported (>$200B) and financial services (~$175B).
A lot of foreign customers are rethinking their dependency on American services, too. Not out of some ideology, just hedging against whimsical policies. Just a year ago, such discussions would have been idle crackpot watercooler talk, now it's a normal boardroom subject. The shift will take time, but that's it's even on the agenda is incredible.