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) in reserve on 18 September 1948 and berthed at Mare Island, California. Just under two years later, on 7 August 1950, "Sterlet" was ordered reactivated. She was recommissioned at Mare Island on 26 August 1950 with Lieutenant Commander George W. Kittredge in command. On 25 September, she headed for San Diego where she conducted a month of training. In December, she shifted to Long Beach, California, where she became one of the stars in the motion picture "Submarine Command" with William Holden and William Bendix. "Sterlet" resumed operations along the West Coast early in 1951 and that employment continued until