They're for everybody.

[Jiro's never had use for weapons, only having very minimal sword experience. Considering no one knows what they'll be dealing with here, they might as well keep anything potentially useful around.]

Nah, it's just junk.

[None of the lockers so far have had much going for them. He's come across mostly clothing and keepsake type items.]

I don't think they planned on fighting. More like they were waiting it out.