There aren't very many articles that present a positive view of the war or the troops, but maybe there weren't any. It's pretty clear that the whole situation was a mess. Communists from North Vietnam joined with Communists from South Vietnam (Viet Cong) to defeat South Vietnam, which was run by corrupt politicians and was often at war with its own people. The U.S. rarely lost battles, and might have won the war, but couldn't win it while trying to limit its engagement, avoiding angering China and Russia, and appeasing the protestors in the U.S. I can understand the protests—I certainly wouldn't have wanted to be sent there to fight another country's battles in a war with no clear objective.