Military Capabilities

Japan, US, UK navies further strengthen ASW interoperability in Western Pacific

14 March 2019

The navies of Japan, the US, and the UK have taken steps to further enhance anti-submarine warfare (ASW) interoperability between the three services by conducting another trilateral exercise in the Western Pacific region.

The drills, which are only the second of such to be conducted between the three services, took place on 14 March. It follows the three services’ first-ever trilateral ASW drills in December 2018.

Assets participating in the latest exercise include a US Navy (USN) P-8A maritime patrol aircraft from the service’s VP-16 “War Eagles” patrol squadron, and two submarines of unspecified types, one each from the USN and the Japan Maritime Self Defense Force (JMSDF).

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