sentences:  Unmindful of his own urgent need for medical attention, he remained in the perilous fire-swept area to care for another marine casualty.Heroically completing his task despite pain and profuse bleeding, he then endeavored to make his way to the rear in search of adequate aid for himself when struck down by a Japanese sniper bullet which caused his collapse.Succumbing later as a result of his self-sacrificing service to others, Williams, by his courageous determination, unwavering fortitude and valiant performance of duty, served as an inspiring example of heroism, in keeping with the highest traditions of the U.S.