[krisoft]

> Now you need subs, long-range bombers and the fighters to protect them, and missile silos.

The role of the long-range bombers in the nuclear triad is heavily questioned. It is not quite certain that you "need" them.

[FredPret]

You need them anyway because almost 100% of the time you’ll be dropping conventional ordnance / paratroopers / perhaps drones in future.