25 December 1939, today 78 years ago S-56 was launched at Dalzavod, Vladivostok
23 December 1940, today 77 years ago Polaris (the current Thea Foss) was purchased by the United States Navy and converted for naval service by the Winslow Marine Railway and Shipbuilding Co. Inc., Winslow, Washington.
23 December 1970, today 47 years ago USS Lucid MSO-458 was decommissioned
23 December 1968, today 49 years ago Coastal tanker Mary A. Whalen ran aground on a sandbar off Rockaway Point outside New York harbor, resulting in the case UNITED STATES v. RELIABLE TRANSFER CO.
22 December 1976, today 41 years ago HDMS Sehested (P547) was laid down at Frederikshavn Værft A/S
22 December 1969, today 48 years ago HMAS Onslow (SS60) was commissioned
22 December 1920, today 97 years ago Lightship Huron (LV-103) was commissioned
22 December 1910, today 107 years ago SS Nomadic laid down at Harland and Wolff, Belfast, Northern Ireland
21 December 1960, today 57 years ago Flore (S645) was launched at Direction des Constructions et Armes navales (DCAN) de Cherbourg
20 December 1989, today 28 years ago Lightship Huron LV-103 became a National Historic Landmark