190311-N-RU084-1006 OXNARD, CALIF. (March 11, 2019) Coast Guardsmen assigned to Coast Guard Port Security Unit 312 (PSU 312) perform harbor security drills at Port Hueneme during exercise Pacific Blitz 2019 (PacBlitz19). Tactical crewmen and coxswains assigned to PSU 312 must maintain maritime operating proficiency to provide pier and harbor defense and tactical support to moored naval vessels. PacBlitz19 is an opportunity for U.S. forces to increase maritime readiness to be prepared for real-world crisis situations. (U.S. Navy photo by Mass Communication Specialist 1st Class Aaron Bewkes/Released)