Is the sword in the background Shinano's? If it is, it makes sense considering what went down between her and Archerfish.
Probably unintentional, but there's a second layer to that connection. There's a well-known book about the Battle of Midway called Shattered Sword, and it was the carrier losses at Midway that prompted the IJN to convert Shinano from battleship to carrier.
Yeah no, I'm removing those artist_request/check_artist tags. The tweet straight up says he drew her and she's in his fully rendered style, as opposed to his sketching style.