This photo of soldiers guarding the Tomb of the Unknown Soldier in the rain has gone viral over social media especially Facebook in advance of Hurricane Sandy. Soldiers of the 3rd Inf Reg. continue to stand guard at the Tomb of the Unknown Soldier, despite the worsening weather conditions surrounding Hurricane Sandy. The tomb has been guarded continuously since 1948. The photo was taken by Karin Evink Markerton at the Tomb of the Unknown Soldier, Arlington National Cemetery, September 18, 2012, in the rain. Markerton posted a note on her Facebook wall to people tracking the origin of the photo....