DALLAS -- As four caskets were placed into vans Wednesday, about a dozen veterans stood by a line of American flags nearby, saluting.None of them knew the men who were about to be buried at Dallas-Fort Worth National Cemetery, but they had just attended their funeral at a cemetery pavilion.The veterans died this year, but their bodies were never claimed."We are here today to honor the state's and the nation's greatest treasures," said the Rev. Billy W. Corn, a chaplain for the Texas State Guard.Edgar Eugene Jordan, 65, a former Air Force sergeant, had been homeless before he died of cancer in January. Department of Veterans Affairs officials said they couldn't locate any relatives.Gary Michael Grimes, 56, a Navy veteran, was a retired cinematographer who was estranged from his family, VA officials said. He died last week.James Albert Snyder, 77, died in January, and Wesley Durwood Lewis, 74, died in February. Both had been in the Army. Relatives couldn't be found.Lewis had attended Calvary Hill Baptist Church in Mesquite. The flag that draped his casket was presented to the church's pastor. The other three flags were given to those who work with veterans.The services were provided by the Dignity Memorial Homeless Veterans Burial Program.