Every conventional weapon in our arsenal, if need be.
As a taxpayer I'd consider it one of the world's great bargains, shutting down Russian imperialism before they cause even more grief.
I don’t know, it seems to be the other way now. If US contributed more to Ukraine maybe US wouldn’t had struggled with drone wars in Iran
While I support aiding Ukraine, your comment doesn't make much sense. There has been only a small amount of bilateral weapons trade between Russia and Iran. The drones and missiles that Iran is using lately are mostly domestically manufactured with some key components imported from China.