Earlier quoted context omitted.
Israel is a postindustrial economy with a 600,000-man military reserve and (unofficially) a nuclear arsenal of the size and capability needed to destroy the society of any industrialized nation on Earth. Almost all of the support and protection they've received from the US since October has been mainly to keep leverage on Netanyahu and to keep the war from spreading across the Middle East. For example, if Iran's miss…
Which Israeli defense contractors build airplanes and tanks? Without aircraft and spares you cannot have a modern military. The US absolutely props up Israeli with weapons and military technology that they do not produce in country. Waving around nuclear weapons and a massive number of troops are the actions of states that are weaker then project as (Russia DPRK).
Neither do the North Koreans [1][2]? (Caveats [3][4].)
America dropping Israel simply means it finds a new supplier. Russia is out of the picture, given its dependence on Iran, but China and India would be more than willing to supply.
[1] https://en.m.wikipedia.org/wiki/Korean_People's_Army_Air_For...
[2] https://en.m.wikipedia.org/wiki/Tanks_of_North_Korea