Southeast Asia: A New Strategic Nexus for Japan’s Maritime Strategy

CIMSEC – With all branches of Japan state power now investing in Southeast Asian maritime security, this region is cementing as a new nexus in Japan’s maritime strategy. The scope, strategic intent, and likely future development of Japan’s maritime security activities in Southeast Asia merits closer examination.

The Law of Military Operations and Self-Defense in the U.S.-Japan Alliance

US Navy War College Review – While the United States and Japan share many values, their legal systems take distinct approaches to authorizing military operations. But the two approaches converge within the alliance structure—especially important with regard to implementing the international law of self-defense.

Japan’s Aegis Ashore: A Tale Of Two SPYs

Naval News – The Japanese Ministry of Defense (MOD) announced this week its intention to halt deployment of the Aegis Ashore missile defense system citing difficulties in ensuring that rocket boosters from the interceptors do not fall in populated areas. The real reason may actually have to do with the radar system, namely SPY-6 and SPY-7.

Japan builds new surveillance warship targeting Chinese, North Korean submarines

South China Morning Post – The Aki is first ship in three decades built to hunt for submarines, as Japan sees a rise in unidentified subs, believed to be from China, within its waters. But Tokyo is also keeping a close eye on North Korea, which has been developing a platform for submarine-launched ballistic missiles.

(Thanks to Alain)

JMSDF Commissioned Its 1st Li-Ion Battery Submarine SS-511 JS Ōryū おうりゅう

Naval News – The Japan Maritime Self-Defense Force (JMSDF) commissioned its 11th Soryu-class diesel-electric attack submarine (SSK) in Kobe in Hyogo Prefecture on March 5, 2020. JS Ōryū (SS-511) joins the JMSDF’s Submarine Flotilla 1, based in Kure. It is the first-in-class boat to feature lithium-ion batteries.

Iron Fist Teaching Japanese Amphib Force to Synch with U.S. Marines

USNI News – This year’s Iron Fist exercise marked the first time this group of 310 Japanese soldiers – 3rd Company with 2nd Amphibious Rapid Deployment Regiment Landing Team – launched from a ship and landed ashore in a coordinated mission alongside Marines, who earlier had launched their AAVs from the San Antonio-class amphibious transport dock USS Portland (LPD-27).

Maritime Security—The Architecture of Japan’s Maritime-Security System in the East China Sea

US Naval War College Review – The security of Japan’s maritime borders is a top priority for the country’s government. The roles of the Japan Coast Guard and the Japanese Maritime Self-Defense Force are paramount in these security operations as Japan navigates an international landscape in the East China Sea complicated by an emboldened China.

Kawasaki Launched The 12th & Final Sōryū-Class SSK JS Tōryū とうりゅう – 2nd Li-Ion Submarine For JMSDF

Naval News – Japan’s shipbuilder Kawasaki Heavy Industries (KHI) launched the 12th and final Soryu-class diesel-electric attack submarine (SSK) for the Japan Maritime Self-Defense Force (JMSDF). JS Tōryū (とうりゅう) SS-512 is the second submarine of the class to feature Li-Ion batteries.

(Thanks to Alain!)