Not entirely sure how bombers can replace submarines...
Didn't we discuss this previously? Maybe on the RAN thread?
I recall there were a number of objections, for e.g. - How many months can a B-21 loiter undetected in the South China Sea?
AFAIK, the stopgap is the Collins class. If the Americans fall through, then who knows - lease something from Japan? The French?
More relevant for the RAAF thread, when's the Super Hornet due to retire? 2035-2045? Is wonder if he's proposing these as a replacement, or a whole new squadron in addition to the existing ones.