How did they get it here

After reading another post about how the seas are a no-go because of the Arasaka mine ships. So how did the carrier go all the way from Japan to Night City without exploding with HANAKO as a passenger??? To me it really makes no sense.

After reading another post about how the seas are a no-go because of the Arasaka mine ships. So how did the carrier go all the way from Japan to Night City without exploding with HANAKO as a passenger??? To me it really makes no sense.