Talk:Tutorial: FAQ/@comment-83.144.127.194-20131104131612/@comment-175.136.160.136-20131113013338

Make sure you have done expedition 27 to unlock expedition 28 before you proceed to remodel your SS to SSV.

As it currently stands, only one SS (I-168) actually still remodels to pure SS only while the other three SS remodels to SSV.(which I don't like due to the increased time to repair but couldn't refuse the extra slots and increased stats but dislike the class change). And expedition 20 needs two pure SS to complete the quest which can't be completable if you remodel all your subs. (Unless you have another I-168 or I-58). The other two are not buildable for now if you want more copy of subs for expeditions.

....with that said, I would prefer another pure submarines remodels instead of SSV remodels. But oh well.