190918-N-RY670-0015 ADAK, Alaska (Sept. 18, 2019) Builder 3rd Class Jake Linton, attached to Beach Master Unit (BMU) 1, signals landing craft air cushion (LCAC) 64, attached to Assault Craft Unit (ACU) 5, to lift off for departure from Adak Beach during Arctic Expeditionary Capabilities Exercise (AECE) 2019. Approximately 3,000 U.S. Navy and Marine Corps personnel participate in AECE 2019, a joint training exercise that tests expeditionary logistical capabilities in the Arctic region and prepares joint forces to respond to crises across the Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jacob Owen/Released)