Start with tax cuts that were bigger that Reagan’s and Bush 43’s combined.
Keeping Russian missiles out of Cuba comes to mind, as well.
I’ve always felt that he didn’t have enough time to actually complete anything. It has seemed to me that he is a “saint” because he died early.
Don't forget the Quid Pro Quo, taking Jupiter IRBMs out of Turkey and Italy in order to get Nikita to take his missiles out of Cuba.
JFKs view of the world was spot on
He warned against isolationism. He knew who our enemies were. In his view of the world, we represented good and they were evil. A lot like Reagan and George W. Bush in some ways.