US NAVY
John Henry Byczkoski
October 10, 1948—July 25, 2007
HTCS
Life Timeline
58 years1948
Born
October 10, 1948
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
HTCS
2007
Passed Away
July 25, 2007
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
HTCS
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more