Board Thread:General Discussion/@comment-3502824-20161005023657/@comment-3502824-20161005140117

Shinobu Oshina wrote: Where can i find translations for new quests? I really want to start 6-4ing so I can do 6-5 asap, but I don't know requirments for new quests -_-

中部海域「基地航空隊」展開！ Deploying Land-Base Air Corps in Central Waters! (World 6) Scrap Two (2) Drum Canisters while having 1200 fuel, 3000 bauxite and one "Construction Corps"

夜間突入！敵上陸部隊を叩け！ Rush into Night Battle! Attack the Enemy Landing Forces! Get A-Rank Victory at World 5-3 Boss node!

飛行場設営の準備を実施せよ！ Prepare for the Construction of the Land-Base! Get S-Rank Victory at World 6-3 Boss node!

There is another quest that requires you to S-Rank 2-1, but that's not related to world 6 stuff so you can ignore that for now.