There is a new urgent situation. Several seconds ago, we detected a surge of activity in the data lines from Citadel Station. SHODAN has begun preparations to download itself into Earth's computer network. We have an emergency plan to knock out Citadel's data transmission system -- able to receive messages, but SHODAN won't be able to transmit. You must detonate explosives at each of the four antenna sites on the engineering level. This will require high-energy plastique from the storage level. You must hurry, because there are only x.xxx....xxx.. .. . .. .