https://cdnph.upi.com/ph/st/th/9291776908225/2026/upi_com/1bead1273bab6632e87f6ede47bf40cc/v1.5/Japan-eases-arms-export-rules-setting-stage-for-rivalry.jpg" /> Japan's defense industry is poised for rapid expansion after lifted restriction, but structural challenges could shape its ability to compete.