Got in contact with a Niece of Roy's who wasn't aware that he was in Vietnam, but said his first cousin Carl was also in Vietnam and was KIA on his 3rd Tour.
Vietnam Virtual Wall LinkAlso looked him up in Coffelt Database:
Name: Carl Raymond Goodfellow
Birth Date: 25 Nov 1942
Death Date: 23 Dec 1967
Age: 25
Home City: Waterproof
Home State: Louisiana
SSN/Service #: 6879078
Death Date: 23 Dec 1967
Casualty Country: Republic of Vietnam (South Vietnam)
Tour Start Date: 15 Oct 1966
Service Branch: Department of the Navy
Component: Regular (RA, USN, USAF, USMC, USCG)
Rank: Engineman [Petty Officer Second Class] (Navy)
Military Grade: Engineman (Navy)
Pay Grade: Specialist Fifth Class (U.S. Army) or Sergeant (U.S. Army, U.S. Marine Corps) or Staff Sergeant (U.S. Air Force) or Grade/Rate Abbreviations With First Column: Any Entry; Second Column: Any Entry; Third Column: 2; Fourth Column: Blank (U.S. Navy, U.S. Coa
Province: Military Region 2 - Binh Dinh
Decoration: Not Available
CN: Republic of Vietnam (South Vietnam)
Service Occupation: Engineman (NAVY)
Killed during SAPPER ATTACK ON COASTAL SURV COMPLEX QUI NHON. He was with PCF-88, COSDIV 15, TF 115, USNAVFORV