[DTogo]

A re-armed Japan would likely be a good thing for the region, and they would likely enjoy a more "equal" relationship with the US. Doubtful that any of the militarism from yesteryear would ever catch hold in current Japan, unless NK were to shoot first.

[Desron13]

I'd start out by assisting Japan in building two Nimitz class carrier strike groups complete with nuclear armed fast attack submarines and Super Hornet fighters. A Star Wars shield cooperation goes without saying.