12 July 2021 West Coast U.S. Navy Installations Conducting All Hazard Exercise, Citadel Rumble 2021 WASHINGTON - Citadel Rumble 2021 (CR21), an annual all hazard exercise conducted by Commander, Navy Installations Command (CNIC), runs today through July 16 in Navy Region Northwest and will occur onboard Navy installations in Navy Region Southwest, August 9-13...