Key facts
- Keen Sword 27 ran 11 days and ended on October 29, per the report.
Japan and US wrapped Keen Sword 27 drills near Taiwan on October 29
IN SHORT
Japan and the United States concluded the 11-day Keen Sword 27 exercise on October 29, deploying US Marine NMESIS anti-ship launchers and MADIS air-defence systems to Yonaguni, about 110km from Taiwan. Japan moved its new Type 25 missile, reported to have a 1,000km range, from Kumamoto for the system's first use in the drills. The report gave no market or supply consequence.
Key Numbers
11 dayslength of the Keen Sword 27 exercise
110km (70 miles)distance from Yonaguni to Taiwan
1,000km (reported)range attributed to Japan's Type 25 missile
Who's Involved
Japan
mobilised Type 25 missile for drills
United States
deployed NMESIS and MADIS to Yonaguni
Yonaguni
Japan's westernmost island near Taiwan
Kumamoto
origin of the Type 25 missile
↳ Why This Matters
The deployment places US anti-ship launchers and Japan's reported 1,000km-range Type 25 missile on Yonaguni, about 110km from Taiwan, a position the report links to the first island chain. The report states no effect on shipping, trade or markets.