If war in the pacific went out of control

 There wouldnt be any americans left. An escalation in warfare would inevitably reach the united states. China would rain down ICBMs to snuff out the american population. It the would be the biggest victory in all of mankind's history. The us navy would be destroyed by antiship missiles, cruise and ballistic. Air bases and surface fleets would be removed from the earth. The only thing left would be to wait for american subs to surface.