<p>The hull of the first U.S. Navy Martin JRM-1 <i>Mars</i> is raised from Chesapeake Bay (USA). The "Hawaii Mars" (BuNo 76819) had been accepted by the U.S. Navy on 21 July 1945 but sank in Chesapeake Bay on 5 August 1945 after 
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porpoising during landing.
U.S. Navy
<a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/department_arch.html">U.S. Navy All Hands magazine</a> <a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/archpdf/ah194509.pdf">September 1945</a>, p. 53.