William B. Decker of Green Camp, was killed in action in Vietnam on 5 August 1968. Decker was born 30 August 1948, in Prospect, Ohio. Spec 4 William B. Decker died 5 August 1968, in Binh Thuy Province South Vietnam, while serving with HHC, 31ST Engineer Battalion, 159th Engineer Group, 20th Engineer Brigade. He is buried in Claibourne Cemetery, Richwood, Union County, Ohio. Spec 4 William B. Decker is remembered on the Honor Roll, at Veterans Memorial Park in Marion, Ohio, the west side of the Marion County Courthouse, and Panel 49W Line 014 of the Vietnam Veterans Memorial Wall.

William B. Decker is also remembered on the Vietnam Veterans Memorial, at the Marion County Admin building at 222 West Center St. in Marion, Ohio.

From The Marion Star dated August 8, 1968

Green Camp
Youth Killed
In Viet Action

Spec 4 C William B. Decker, 18, of 3696 Green Camp-Essex Rd., Green Camp, became Marion County’s seventh Vietnam casualty Monday when he was killed in action.
His parents, Mr. and Mrs. Howard Decker, were notified Wednesday of his death.
He was born to Howard and Maxine Lasley Decker in Custer Park, Ill., Aug 30, 1949.
In addition to his parents, he leaves seven brothers, Ronald H. of Elliott, Me., who is serving in the Navy, Royce, Wendell, Kenneth, Robert, Bruce and Bryan, all at home, and five sisters, Mrs. Carrie Boyd of Richwood, Mrs Rita Clevenger of Magnetic Springs and Deborah, Mary and Kathryn, all at home.
Funeral services are pending arrival of his body from Vietnam.