NAS Whidbey takes part in Solid Curtain-Citadel Shield By NAS Whidbey Island Public Affairs • February 3, 2016 9:24 am Tags: Naval Air Station Whidbey Island Security personnel clear a supply warehouse during an active shooter drill at Naval Air Station Whidbey Island as part of exercise Solid Curtain-Citadel Shield. This annual exercise assesses the command readiness to respond to potential threats on or near naval installations. (U.S. Navy photo by Mass Communication Specialist 3rd Caleb Cooper/Released) Tags: Naval Air Station Whidbey Island