Only a couple of things....
Long Beach Naval Shipyard (Terminal Island) ring any bells?
CVAN and associated Carrier Strike Group surface ships were docked (and refitted/overhauled) there along with Auxilaries. Lots of room to dock all kinds of traffic.....
Don’t know if any subs were there. (I can check on that.)
He still believes he'll live to see it happen. The Chinese are well able to overhaul container ships toward such a use. Their troops are used to meager accommodations.
And China has been learning a lot about logistics as they have been expanding their reach to Africa and recently even tried to the South Seas of the Pacific.