190921-N-BB269-1059 ELMENDORF, Alaska (Sept. 21, 2019) Chief of Naval Operations (CNO) Adm. Mike Gilday interacts with Sailors and Marines participating in Arctic Expeditionary Capabilities Exercise (AECE) during his visit to Joint Base Elmendorf-Richardson. 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 1st Class Raymond D. Diaz III/Released)