190921-N-BB269-1044 ELMENDORF, Alaska (Sept. 21, 2019) Chief of Naval Operations (CNO) Adm. Mike Gilday poses for a photo 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)