Nov. 2 - (Left) U.S. Army Corps of Engineers Vicksburg District Deputy Commander, Lt. Col. Stephen Rhudy, thanks Navy combat veteran Chris Ring during Ring's stop in Vicksburg. Ring is swimming the entire length of the Mississippi River to honor and raise awareness for fallen service members and their families. Ring began his "Heroes" journey on the Mississippi River in June, supporting nonprofit Legacies Alive's 2015 Legacy Challenge, "Swim For Their Sacrifice"!