* In maps introduced prior to Fall 2017 Event (including pre-[[Game_Updates/2018/August_15th|Phase 2]] maps), Submarine battle nodes costed 20% {{Fuel}} 0% {{Ammo}}, and Air Raid nodes costed 8% {{Fuel}} 4% {{Ammo}} | * In maps introduced prior to Fall 2017 Event (including pre-[[Game_Updates/2018/August_15th|Phase 2]] maps), Submarine battle nodes costed 20% {{Fuel}} 0% {{Ammo}}, and Air Raid nodes costed 8% {{Fuel}} 4% {{Ammo}} |