An attack submarine is participating in KS19 with SG7 and JMSDF Sailors. For the submarine force, it is an opportunity to demonstrate how both countries’ submariners would detect, locate, track and engage enemy.#KS19 #KeenSword #Keensword19 @INDOPACOM @USPacificFleet pic.twitter.com/C1pjVRCL6R

— U.S. Forces Japan (@USForcesJapan) November 2, 2018