190215-M-WW557-1046 SATTAHIP, Thailand (Feb. 15, 2019) U.S., Republic of Korea, and Royal Thai Marines conduct an amphibious assault rehearsal during Cobra Gold 19 at Hat Yao Beach, Thailand, Feb. 15, 2019. Cobra Gold demonstrates the commitment of the Thailand and the United States to our long-standing alliance, promotes regional partnerships and advances security cooperation in the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Kenny Nunez/Released)