I thought I recognised it 
POSSIBLE SPOILER
When Hiro was searching for the sword, the location number was CRM 114, it rang a bell, it was the radio discriminator in Dr Strangelove and some other films, on Wiki http://en.wikipedia.org/wiki/CRM114
Apparently an intentional inclusion.
Sorry sad I know, I just like little bits like this.

POSSIBLE SPOILER
When Hiro was searching for the sword, the location number was CRM 114, it rang a bell, it was the radio discriminator in Dr Strangelove and some other films, on Wiki http://en.wikipedia.org/wiki/CRM114

Sorry sad I know, I just like little bits like this.