170131-N-SX614-025 (Jan. 31, 2017) KEY WEST, Fla. -

170131-N-SX614-025 (Jan. 31, 2017) KEY WEST, Fla. - Navy Security Force personnel enter a building on Boca Chica Field in response to reports of an active shooter at Naval Air Station Key West's Boca Chica Field during the annual security exercise Solid Curtain-Citadel Shield (SC-CS). SC-CS is a Navy-wide exercise to enhance the readiness of Navy Security Forces and ensure seamless interoperability among the commands, other services, and agency partners. NAS Key West is a state-of-the-art facility for air-to-air combat fighter aircraft of all military services and provides world-class pierside support to U.S. and foreign naval vessels. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Cody R. Babin/Released)