The night (5–6 July) after the Kula Gulf landings, the opposing naval forces engaged in a full-scale battle in the waters northeast of Kolombangara Island, an action that came to be called the Battle of Kula Gulf. The Americans lost a light cruiser while the Japanese lost two destroyers. In the north, after advancing from Rice Anchorage, US forces occupied Triri on 7–8 July. A 400-strong Japanese force launched a counterattack on 8 July against Triri, which initially made some gains before it was checked by a flanking move. Following this, US troops captured Enogai at the mouth of the inlet on 10–11 July, before moving to establish a block along the Munda–Bairoko trail.