It's been decades since the United States Army attacked a ship on the high seas. The last time it happened was when an AH-6 "Little Bird" with what eventually became the 160th Special Operations Aviation Regiment (better known as "the Nightstalkers") caught an Iranian vessel, the Iran Ajr, laying mines in the Persian Gulf in 1987.
Well, the Army has now sunk another vessel — with an assist from the Japanese Ground Self-Defense Force. This took place during RIMPAC 2018, when both forces fired ground-based, anti-ship missiles during a SINKEX, an exercise in which a decommissioned ship is towed to a designated location and then hit by live anti-ship missiles, gunfire, and torpedoes.
In February, 2018, the Army announced their plans to use a truck-mounted version of Kongsberg's Naval Strike Missile, also known as the NSM, during these exercises. A few months later, in June, the United States Navy selected the NSM as its new beyond-visual-range, anti-ship missile.
The Army fired a truck-mounted version of the Kongsberg NSM.
(U.S. Navy photo by Mass Communication Specialist 2nd Class Zachary D. Bell)
Japan's Ground Self-Defense Force has also been using truck-mounted, anti-ship missiles for a while. Their mainstay in this department is the Type 88, also known as the SSM-1. A slightly modified version of this missile is widely used by Japanese ships, called the Type 90.
The Type 88 has a range of just under 112 miles. The Type 90's range is a little over 93 miles. The service is soon introducing the new Type 12 truck-launched missile, which will replace both the Type 88 and the Type 90 and has a range of 124 miles.
Japan's latest truck-mounted anti-ship missile is the Type 12, with a range of 124 miles.
(Japanese Ground Self-Defense Force)
During RIMPAC 2018, these militaries tested their missiles on a decommissioned Newport-class tank-landing ship. Their target, the USS Racine (LST 1191), could carry 29 tanks and 400 troops, was 522 feet long, and displaced almost 8,800 tons. A total of 20 Newport-class ships were built, all of which served at least 20 years with the United States Navy.
Watch the U.S. Army and the Japanese Ground Self-Defense Force launch their missiles in the video below!
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