The door closed behind Siler, and Sam turned back to the screen, cursing herself for not thinking to bring a radio in the first place. It was easy to forget, she supposed; they had never been in a situation like this before.
The code seemed endless... but the descending timestamp assured her that it was not. It was counting down to zero, she noted, but it was also counting down to a specific time.
Ninety minutes after power was first blocked.
It was 0743.
Don't read too much into the 12/20/02, by the way ;)