SURABAYA, Indonesia (Nov. 5, 2021) Sailors attached to Mobile Diving Salvage Unit (MDSU 1), prepare for a dive during Cooperation Afloat and Readiness and Training (CARAT) Indonesia 2021. In its 27th year, the CARAT series is comprised of multinational exercises, designed to enhance U.S. and partner navies’ abilities to operate together in response to traditional and non-traditional maritime security challenges in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Langholf)