Yukon

She sat down with Bishop's computer.
Search programs and files: Safe haven
Documents: 2
The broadcast claiming "safe haven" was dismissed as a hoax by Lexa and most others agreed. A small group of scientists and soldiers believed that the signal and message were authentic. Against orders to remain in the bunker the group left to find the origin of the message. Eight people and one H-class cargo airship are still missing and all are assumed dead.

The second document was a map. The broadcast claimed the safe haven was in the Canadian federal territory of Yukon. A land unharmed by the chemical and nuclear war.