I can't imagine that there will not be other versions. The Pez dispenser is just solving the problem at hand. Eventually, I wouldn't be surprised to see cargo bay doors similar to the shuttle's.
replyThat seems likely. Best guess is the relatively small slot sized door is a cautious design while they're working out issues with re-entry heating and stresses and sacrificing ships into the ocean. Once they're very confident they have the configuration for the 'hot' side of the starship working well on re-entry, it could be expanded in size.
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