US NAVY
John C Concannon
February 17, 1940—January 12, 2007
HT1
Life Timeline
66 years1940
Born
February 17, 1940
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
HT1
2007
Passed Away
January 12, 2007
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
HT1
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more