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CASUALTY RECORD // October 11, 1942

Battle of Cape Esperance

Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.

Casualties by side

2 sides catalogued · combined 274–617 estimated

  • États-Unis

    163

    Medium-confidence figure

  • Empire du Japon

    111–454

    Medium-confidence figure

Battle context

Cape Esperance was the second of four major surface engagements fought during the Guadalcanal campaign, occurring at the strait between Savo Island and Guadalcanal in the Solomon Islands. It represented an early effort by U.S. naval forces under Norman Scott to contest Japanese resupply and reinforcement operations in the waters around Guadalcanal. Coming after the earlier defeat at the First Battle of Savo Island, the engagement marked a continued struggle for naval control of the approaches to Guadalcanal, a contest central to whether either side could sustain its ground forces on the island. Casualties were recorded on both sides, with Japanese losses ranging widely in estimates. The battle's outcome fed into the broader attrition dynamic that defined the Guadalcanal naval campaign through late 1942.

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Last verified June 2026
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