An Entity of Type: Liberty ship,
from Named Graph: http://dbpedia.org,
within Data Space: dbpedia.org
The Guardian-class radar picket ships were a class of ocean radar picket ships (YAGR, later AGR), converted 1954–1958 from World War II Liberty ships acquired by the U.S. Navy. Their task was to act as part of the radar defenses of the United States in the Cold War, serving until 1965.
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