Sii wadida faqradan - Leonard wuxuu ka qalin jabiyay Akadeemiyadda Badda ee Maraykanka 1938 waxaana loo magacaabay duuliye ciidan #6953 sanadka 1940. Wuxuu ku dagaalamay dagaalkii Badda Coral.
Midway iyo Solomons. Waxa uu ku guuleystay Saldhigga Ciidanka Badda ee Midway iyo Badda Coral. Waxaa sidoo kale lagu abaalmariyay Legion of Merit (afar jeer), Distinguished Flying Cross, Air Medal (siddeed jeer) iyo Bronze Star.