PSU 309

Port Security Unit (PSU) 309 is a United States Coast Guard Reserve unit established in 1995 and based in Port Clinton, Ohio. The unit specializes in maritime security, providing waterside and landside protection for ports, vessels, and critical infrastructure worldwide. PSU 309 has deployed in support of Operations Enduring Freedom and Iraqi Freedom, conducting security missions in the Middle East and other strategic locations. The unit's highly trained reservists routinely participate in joint and combined exercises, maintaining readiness to respond rapidly to military and humanitarian contingencies.