Launching of the USS Nautilus; Groton, Connecticut, USA ; 1952-January-21_ᷤ_ͭ ; [1024×0640].

Comments

1. PerryPattySusiana

   The first ever nuclearly-powered submarine; and also the first submarine to accomplsh transnavigation of the North Pole under the icecap, 1958-August-3^rd .

   Not sure how one defines what the date actually is @ a pole, though!