Talk:Summer 2019 Event/@comment-32709293-20190907001640/@comment-2606:A000:1101:C4EB:D5B:5671:AE08:65A-20190907032827

The historical bonuses seem mostly nation-based, the Reddit page has the historical bonuses up, Brits and Yanks get best bonus but Ark is definitely best-used on E-2 from what I gather.

https://old.reddit.com/r/kancolle/comments/cxdeey/summer_2019_event_e3_extra_operation/