The Japanese Maritime Self-Defense Force's JS Chokai, a Kongo-class destroyer, has completed modifications to carry Tomahawk cruise missiles and will begin live-fire tests this summer. The tests are part of Japan's broader strategy to enhance its defensive and offensive capabilities in response to regional security challenges.
Japan's Shift Toward Enhanced Firepower
Japan's Ministry of Defense announced the completion of modifications on the JS Chokai, which sailed to the U.S. last year for upgrades and crew training. The ship will now undergo live-fire drills to achieve full operational capability. This development comes as Japan acquires 400 Tomahawk missiles—200 Block IVs and 200 Block Vs—with the first batch already delivered.
"By around this summer, through live-fire drills and other tests, Chokai will attain its full operational capability," the defense ministry stated.
Tomahawk missiles, manufactured by RTX Corporation, are long-range precision weapons with maritime strike capabilities. The Block IV variants have a range of 1,000 miles, while the Block V versions are expected to exceed that.
Expanding Domestic Stand-Off Capabilities
In addition to the Tomahawk acquisition, Japan is developing its own stand-off missile systems. The Japanese Ground Self-Defense Force recently deployed upgraded Type 12 ground-launched missiles, extending their range from 125 to 620 miles, and the Hyper-Velocity Gliding Projectile for Island Defense. These advancements reflect Tokyo's commitment to building a more flexible and robust arsenal amid rising tensions in the Indo-Pacific region.
The integration of Tomahawk missiles into Japan's fleet, particularly aboard Aegis-equipped destroyers, marks a significant upgrade to its maritime firepower. This move aligns with Japan's broader goal of strengthening its defense posture in preparation for potential conflicts in the Pacific.