Major Oliver is returning to the USS Carl Vinson after training Marines aboard the USS Tarawa. He is lucky enough to be able to get a call to his wife, before the entire world changes.
The Whareaitu and Kerrigan families celebrate the wedding of Michael and Lynn. Meanwhile Brewer is present to witness the Soviet sneak attack at Sydney.
The Vinson Carrier Group is protecting itself with CAP patrols and steaming toward the South Pacific. Richmond tells his senior officers his course of action. Meanwhile in New Zealand, Michael and Lynn come to terms with his imminent deployment.
Meanwhile in Puckapunyal, Lieutenant-Colonel Gary Brewer and his men of the 1st Armoured Regiment are in hurried training exercises. With the attack on Sydney and the declaration of war - Australia is quickly gearing up for what it believes could be an invasion.
We are introduced to recently graduated police Constable Ashley Addison as she struggles to fit in at Auckland Central Police Station. And we return to the USS Carl Vinson where they are taking stock of the damage from the recently airburst nuke that was detonated almost on top of them.
