John W. Altadonna of Calverton passed away Tuesday, Dec. 19, 2023. He was 84.
The family will receive friends Thursday, Dec. 28 from 3 to 6 p.m. at DeFriest-Grattan Funeral Home in Mattituck.
The Liturgy of Christian Burial will be celebrated Friday, Dec. 29 at 9:30 a.m. at Saint John the Evangelist R.C. Church in Riverhead, officiated by Father Larry Duncklee.
Interment with U.S. Army Honors will follow at Calverton National Cemetery.