Staff Sgt. Lewis Clark Walton Sr., who was posthumously promoted to Sgt. 1st Class, smiles in a photo taken of him in his Vietnam War era uniform during his time in the Green Berets. His remains were escorted on May 1 from the Joint POW/MIA Accounting Command at Hickam AFB, Hawaii, to Rhode Island by his son, Sgt. 1st Class Lewis Clark Jr., 115th Military Police Company, Rhode Island National Guard, for burial.