Maritime Forces from Japan, UK, U.S. Practice
　　　Submarine Hunting in Philippine Sea
Submarine Group 7, CSG 7 Public Affairs | | Dec. 20, 2018
.... Focused on anti-submarine warfare, the exercise featured drills
with JMSDF helicopter destroyer JS Izumo (DDH 183), RN Type 23
frigate, HMS Argyll (F231), and a U.S. Navy submarine....
..... A U.S. Navy P-8A maritime patrol aircraft from the “War Eagles”
of Patrol Squadron (VP) 16 also participated....

アメリカはポセイドン出すみたいけど日本はSH-60Kだけなの？