Thread:Erupi/@comment-26486243-20150810131918/@comment-26486243-20150810141107

13▼拡張作戦について 1/2 本作戦の四つの作戦展開海域を全て突破し、「第二次SN作戦」前段作戦(主作戦)を全て攻略することで、拡張作戦に参加することも可能です. ※拡張作戦「第5海域」は別方面作戦となるため、艦隊戦力の配分には十分ご留意ください. #艦これ

Regarding Extended Operations 1/2: After the completion of the main 4 maps in the main operation, the first half of the 'Second SN Operation' (main opration) will be completed, which will allow participation in the Extended Operations. * As the Extended Operation 'Area 5' takes place in a different area, please pay attention to the distribution of your military forces. #kancolle

TL Note: This implies that ships used in the Main Operation may be locked and disallowed from participation in the Extended Operations.