sergeant sammy l. davisistinguished himself on november 18, 1967 while the -- while serving as a cannoneer with battery c, second battalion, fourth artillery. west of callay, republic of vietnam. at approximately 2:00 in the morning, they came under heavy -- the fire support base came under heavy mortar attack. the viet cong battalion, launched a fierce ground assault. the attacking enemy drove to within 20 meters of friendly position. only a river separated the viet cong from them. detecting a nearby enemy position, sergeant davis sees the machine gun and provided covering fire. despite efforts, and enemy round scorede direct hit on the artillery. it through the crew and sergeant davis into a foxhole. he struggled to his feet and returned it to the howitzer, which was burning furiously. disregarding a withering hail of enemy fire, he aimed and fired the howitzer, knocking him to the ground. undaunted, he returned to the weapon to return and fire again. and enemy mortar injured him painfully. incomplete disr