GROTON, Conn. (Feb. 9, 2024) Submarine Base New London security forces participate in Citadel Shield-Solid Curtain (CS-SC) 2024. CS-SC is conducted by U.S. Fleet Forces Command and Navy Installations Command on all Navy installations in the continental U.S. to enhance the readiness of our Navy security forces. (U.S. Navy photo by Mass Communication Specialist 2nd Class Maxwell Higgins)