US NAVY
Michael J O'Brien
April 22, 1946—July 20, 2004
AO3
Life Timeline
58 years1946
Born
April 22, 1946
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
AO3
2004
Passed Away
July 20, 2004
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
AO3
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more