Nautilus becomes first nuclear-powered submarineSep 30, 1954Labels: USS Nautilus, nuclear submarineNautilusNHHC
Skate commissioned as early U.S. nuclear attack subDec 23, 1957Labels: USS Skate, attack submarineSkateSkate class
Nautilus departs on trans-Arctic under-ice missionJul 23, 1958Labels: USS Nautilus, trans-Arctic voyageHistory comUPI
Nautilus dives beneath Arctic ice near Point BarrowAug 1, 1958Labels: Point Barrow, under-ice transitUPIHistory com
Nautilus reaches the North Pole underwaterAug 3, 1958Labels: USS Nautilus, North PoleHistory comNautilus
White House publicly announces Nautilus polar transitAug 8, 1958Labels: White House, public announcementUPIHistory com
Explorer Hubert Wilkins dies before seeing goal metNov 30, 1958Labels: Hubert Wilkins, polar explorerWilkinsSFLM
Skate conducts memorial ceremony for Hubert WilkinsMar 17, 1959Labels: Hubert Wilkins, memorial ceremonyWilkinsNavSource
Early pole transits establish under-ice operations baselineDec 1, 1959Labels: under-ice operations, operational baselineHistory comSkateSFLM