>>64464413
Sakhalin is full of Ukrainians exiled by Stalin. You think Budanov would have any trouble making a cell there? Heck, it was probably the local irregulars acting on their own (like the guys in Russia that set fire to train signal boxes)

>>64464487
Large range and the proposed jet engines are very thirsty. Also cheap, Ukraine wants to make them like Krutschev's nuclear sausages.