An ex-instructor for the Ground Self-Defense Force Chemical School said measures have progressed after the Aum Shinrikyo cult's 1995 sarin nerve gas attack on the Tokyo subway system but warned against complacency. https://www.japantimes.co.jp/news/2025/03/20/japan/aum-sarin-gas-attack-sdf/?utm_medium=Social&utm_source=mastodon #japan #aumshinrikyo #terrorism #tokyosaringasattack #sdf #gsdf