160804-N-N0818-179 SURABAYA, Indonesia (Aug. 4, 2016) - Engineering Aide 2nd Class Tyler Walker assigned to Naval Mobile Construction Battalion (NMCB) 4 and a member of the Indonesian Marines (TNI-AL) ZENI Battalion, position and tie rebar for structural concrete columns for the engineering civic action project during Cooperation Afloat Readiness and Training (CARAT) Indonesia 2016 in Surabaya, Indonesia, Aug. 4. CARAT is a series of annual maritime exercises between the U.S. Navy, U.S. Marine Corps, and the armed forces of nine partner nations including Bangladesh, Brunei, Cambodia, Indonesia, Malaysia, Philippines, Singapore, Thailand and Timor-Leste. (U.S. Navy photo by Construction Electrician 3rd Class Santiago Guzman Jr/Released)