Keen Sword 23 is a biennial U.S. Pacific Fleet-sponsored field training exercise (FTX). KS23 is a joint/bilateral FTX involving U.S. military and Japan Self-Defense Force (JSDF) personnel (as well as some other partner participants) in the vicinity of Japan from 10 through 19 November 2022. KS23 is designed to enhance Japan-U.S. readiness and interoperability while strengthening the bilateral relationship and demonstrating U.S. resolve to support the security interests of Allies and partners in the region.