YOKOTA AIR BASE, Japan -- USFJ and Japan Joint Staff leadership visited Fuchu Air Base, Japan and Sagami General Depot to receive multi-domain operations briefing during Keen Sword 23. Keen Sword is a biennial, joint, and bilateral field-training exercise, involving the U.S. military and Japan Self-Defense Forces, designed to increase readiness and interoperability while strengthening the Japan-U.S. alliance.