U.S. Navy Capt. Patrick McKenna, commanding officer of Naval Information Warfare Center (NIWC) Pacific, exchanges salutes with sideboys during the arrival of the official party for the NIWC Activity Facility Pacific Guam change of charge at Top O' the Mar on Nimitz Hill, Guam, July 12, 2024. The bosun’s whistle was used to alert the crew of the arrival of the official party. (U.S. Navy photo by Mass Communications Specialist First Class Justin Wolpert)