The U.S.S. Nautilus passing under the George Washington Bridge as part of an Armed Forces Week visit to New York Harbor.  May 13, 1956.

Photo credit: By ArnoldReinhold [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)%5D, via Wikimedia Commons.