US Navy's destroyer USS Fitzgerald conducts exercise with Japan.

According to information published by the U.S. Ministry of Defense on January 31, 2022, the Arleigh Burke-class guided-missile destroyer USS Fitzgerald (DDG 62) conducted bilateral training exercises in the Philippine Sea with Japan Maritime Self-Defense Force (JMSDF).
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Takanami-class destroyer JS Takanami (Picture source: U.S. DoD)

The Ship Anti-Submarine Warfare Readiness Effectiveness Measuring (SHAREM) program is a series of events focused on anti-submarine warfare procedures and tactics designed to measure how effectively surface ships and aircraft can detect and track submarines.

It also served as a joint exercise with JMSDF naval assets, with both countries trading expertise with the other to maximize communication and understanding.

Fitzgerald was joined by a Maritime Patrol and Reconnaissance Aircraft (MPRA) from Commander, Task Force 72, as well as the Japanese destroyer JS Takanami (DDG 110), a submarine, and MPRA aircraft. In the initial days of the event, the ships took advantage of their close proximity and ran maneuvering drills and unit coordination.

JS Takanami (DD-110) is the lead vessel of the Takanami-class destroyers of the Japan Maritime Self-Defense Force (JMSDF).

The ship has a length of 151 m (495 ft), a beam of 17.4 (57 ft), a height of 10.9 m (36 ft), and a draft of 5.3 m (17 ft). She is armed with one Otobreda 127 mm/54 gun, two missile canisters up to 8 Type 90, two 20 mm Phalanx CIWS, and two Type 68 triple torpedo tubes VLS Mk 41.