Category:Olterra (ship, 1913)

**Italian auxiliary ship Olterra**
	salvaged Italian tanker used as support and base for WWII manned torpedo frogman raids on Allied shipping in Gibraltar
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Instance of	tanker;
Has use	military base (36°8′33″N 5°26′8″W, Algeciras, 1942–1943);
Operator	Royal Italian Navy;
Country of registry	Kingdom of Italy;
Different from	Olterra;
	36° 08′ 33″ N, 5° 26′ 08″ W
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	Q3881924;
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