4 of 4: As thunder shook the ground & rains washed down, the Tomb Sentinel pierced through the elements w/breath-taking precision. He knelt & placed the flags in honor of the Unknowns. Humans have their limits, but @USArmyOldGuard has yet to meet theirs. #KnowYourMil pic.twitter.com/t1VA3c8dDd

— Department of Defense 🇺🇸 (@DeptofDefense) May 25, 2019