Should I be blamed for that decision, and/or the fact that my grandfather was in the military and mapped the course of one of those? 

 No..what? No 

 So in your view his dad was Japanese then? 

 
https://i.nostr.build/J6B5SDHn58xyG4Hz.jpg 

 Ah missunderstood your consperacy theory. Was about pearl harbor. I thought you say the bombs have been an inside job 😂