USCGC Klamath (Seattle), Coastal Division 11 (Antoi, Viet Nam) & Division 12 (Danang)

USCGC Klamath (WHEC-66) was a high endurance cutter of the United States Coast Guard, originally homeported in Seattle, Washington. During the Vietnam War, Klamath served as part of Coast Guard Squadron Three, supporting Operation Market Time, which aimed to interdict the flow of supplies by sea to Viet Cong forces. Assigned to Coastal Division 11 at An Thoi and later to Division 12 at Da Nang, Klamath conducted coastal patrols, boarding and searching vessels, providing naval gunfire support, and assisting in search and rescue operations. The cutter's service in Vietnam exemplified the Coast Guard's vital role in joint military operations and maritime security during the conflict.