Chief Engineman Rob Hartwell, from Bedford, Massachusetts,

Chief Engineman Rob Hartwell, from Bedford, Massachusetts, assigned to Coastal Riverine Group (CRG) 1 Det. Guam, and members of the National Police of Timor-Leste and the Timor-Leste Defense Force perform maintenance on a boat engine during CARAT Timor-Leste 2018 at Hera Naval Base, Aug. 29, 2018. CARAT Timor-Leste 2018 is designed to address shared maritime security concerns, build relationships and enhance interoperability among participating forces. (U.S. Navy photo by Mass Communication Specialist 3rd Class Danny Ray Nuñez Jr./Released)