Columbia subject headings:
Korean War, 1950-1953--Evacuation of civilians--Korea (North)--Hŭngnam-si.
Korean War, 1950-1953--Naval operations, American.
Korean War, 1950-1953--Search and rescue operations--Korea (North)--Hŭngnam-si.
Merchant marine--United States--History.
Harvard subject headings:
Korea--Foreign relations--United States.
Korean War, 1950-1953--Diplomatic history
United States--Foreign relations--Korea.
Princeton subject headings: