All further courses and counter-interceptions are indicated as necessary. If successful, dice are rolled for combat. Moving player posts resolution of sea transport missions and airdrops. At his discretion, he may also post expected attacks. Opponents meet in the Conference Hall.
Process continues until all attacks are completed.
Any air attacks on naval units in ports are then conducted. Opposing alliance posts defensive air support missions. Opponents meet in the Conference Hall. Moving player posts advances after combat. If no such sessions were necessary, a session in the Conference Hall specifically for Attrition is conducted.