Discipline, values and love for the country were some of the lessons already instilled in Sgt. Sylvester McIntosh as he fought alongside his fellow marines in the jungles of Vietnam. Sgt. Sylvester McIntosh PHOTO PROVIDED “I never considered myself a hero,” 79-year-old McIntosh, a Wabasso native, says some six decades after the peak of the Vietnam War and as the nation he fought for prepares to celebrate its 250th Independence Day. “I was just…