US NAVY
John Marcus Horner Jr
May 21, 1947—December 30, 2021
EO3
Life Timeline
74 years1947
Born
May 21, 1947
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
EO3
2021
Passed Away
December 30, 2021
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
EO3
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more