Graveside services were held Sunday afternoon, Nov. 2 at the Leeville Cemetery for Mr. Riggan, 94, of Lebanon.
Born in Mt. Juliet, he died Oct. 31, 2014, at Quality Care Nursing Home.
Mr. Riggan served for 33 years in the U.S. Air Force and worked for many years with Boeing in Seattle, WA.
He was preceded in death by his wife Willette.
Arrangements were in the care of at Ligon & Bobo Funeral Home.