<p>From the Naval Historical center website:
Navy MC
Vietnam War, 4 Aug. 1964 - KIA WIA KIA WIA
27 Jan. 1973 1,631 4,178 13,091 51,392 </p>
<p>From the American War Library
Branch Serving In V’nam % Fatalities % of Branch % of All Fatalities
Army 1407000 67 38,179 2.7 65.6
Marines 294000 14 14,836 5.0 25.5
Navy 126000 6 2,556 2.0 4.4
Air Force 273000 13 2,580 1.0 4.4</p>