Ossetra genitive case form "осетра" (osetra, 'of sturgeon') of the Russian word "осётр" (osyotr 'sturgeon') from the phrase "икра осетра" (ikra osetra, 'caviar of sturgeon'). At one time, the term "ossetra" simply referred to Russian sturgeon species harvested for this type of caviar. In Russian, there are different names for the species of sturgeon that live in various territories such as "Beluga" ("Huso huso"), Sevruga ("Acipenser stellatus") and Sterlet ("Acipenser ruthenus"). The name Ossetra corresponds to the species "Acipenser gueldenstaedtii", which is much smaller than Beluga sturgeon ("Huso huso"), and has a firmer texture. In the territory of the Russian Federation
USS Sterlet (SS-392) January 1953, when she was deployed to the Far East. On this cruise, she joined in hunter-killer exercises, visited Chichi Jima, Atami, Japan, and Buckner Bay, Okinawa; and conducted photographic reconnaissance on Marcus Island. She returned to San Diego, California, on 23 June and resumed West Coast operations. In August 1954, "Sterlet" exchanged crews and homeports with . On 13 September, she reported for duty to Submarine Squadron 1 at Pearl Harbor. For the remainder of her Navy career, "Sterlet" was home ported at Pearl Harbor. Between 1954 and 1968, she alternated operations in the Hawaiian Islands with nine deployments