The Japanese government is considering including railways in defense-related expenditure as part of revisions to three key security documents by year-end, sources close to the matter said Sunday.The aim is to secure routes for supplying materials to Self-Defense Forces units and transporting defense equipment in the event of an emergency, strengthening the ability to sustain combat operations, the sources said.The proposal would expand the scope of "public infrastructure development," a category of defense-related expenditure, while the revised documents would highlight the importance of up…READ FULL ARTICLE