− | '''Used to improve:''' {{Equipment/Link|Shiden Kai 2}}, {{Equipment/Link|Shiden Kai 4}}, {{Equipment/Link|Shiden Model 11}}, {{Equipment/Link|F6F-3}}, {{Equipment/Link|F6F-5}}, {{Equipment/Link|Kyoufuu Kai}}, {{Equipment/Link|Zuiun Kai Ni (634 Air Group)}} | + | '''Used to improve:''' {{Equipment/Link|Shiden Kai 2}}, {{Equipment/Link|Shiden Kai 4}}, {{Equipment/Link|Shiden Model 11}}, {{Equipment/Link|F6F-3}}, {{Equipment/Link|F6F-5}}, {{Equipment/Link|Kyoufuu Kai}}, {{Equipment/Link|Zuiun Kai Ni (634 Air Group)}}, {{Equipment/Link|Shiden Model 21 Shiden Kai}} |