Every Naval Base has one.

An engraving of the names of every shipgirl that has been sunk.

-It's a story that's pretty standard fare in the past

A story from long before you came here.

Withdraw!

Fleet Operation Guidelines Section 7 Part 4, When heavily damaged-

Full score.

Ships who are heavily damaged sink, But why doesn't medium damage sink us?

No, in the first place you have to define what heavy damage is.

Even if your main body is unscathed, What if your arms flew off? What about your head?

Nobody had any clue about any of this.