Port Security Unit 313

Port Security Unit 313 (PSU 313) is a United States Coast Guard Reserve unit established in 1996 and headquartered in Everett, Washington. Specializing in maritime force protection, PSU 313 provides waterside and landside security for ports, harbors, and critical infrastructure both domestically and overseas. The unit has deployed in support of Operations Iraqi Freedom and Enduring Freedom, where it safeguarded vital shipping lanes and logistical hubs. PSU 313 regularly participates in multinational exercises and joint operations, enhancing its readiness to respond to global contingencies and homeland security missions.