Sii wadida faqradan - Leonard wuxuu ka qalin jabiyay Akadeemiyadda Badda ee Maraykanka 1938 waxaana loo magacaabay duuliye ciidan #6953 sanadka 1940. Wuxuu ka qayb qaatay dagaalkii Pacific ee Badda Coral, Midway
Iyo Darbiyada Suleymaan. 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.