On this day, we pay tribute to those who have served in the U.S. Armed Forces—those who are still with us and those who have fallen. Thank you, Veterans. Art by @tavaresbooks from TWENTY-ONE STEPS: GUARDING THE TOMB OF THE UNKNOWN SOLDIER. @jeffgottesfeldwriter tells a sobering and powerful story about the sentinel guards who protect and honor America's fallen at Arlington National Cemetery. #VeteransDay