The following equipment types can now be equipped on the expansion slot: * File:GreenGunMG.pngAnti-Air guns * File:Expansion Bulge (Medium).pngAnti-Torpedo bulges File:GreenGunMG.pngAnti-Air guns equipped in expansion slots can help ships like [[|]] [[File: Battle.jpg|link=|]] and [[|]] [[File: Battle.jpg|link=|]] trigger AACI, meaning that it frees up a main slot for other uses. For example, it is now possible to equip a File:Seaplane.pngSeaplane on [[|]] [[File: Battle.jpg|link=|]] for Artillery Spotting while allowing her to AACI at the same time.