"6013? Wow, that's... awhile from now." And yet her father was born closer to that time than to the present-day. It's always strange to think about that. "What's Messaline like?"
They've come into view of the fake 'tourist office'. It occurs to Alice that, while she could put in a security code, she doesn't know if Jenny would have a great memory for that or not. Better to call and let someone open the way underground from the inside. If the door's unlocked, though, they could at least wait indoors while waiting to be let into the base itself.