US NAVY
Michael B Kostelnik
June 28, 1923—January 11, 2021
Y1
Life Timeline
97 years1923
Born
June 28, 1923
US NAVY
Service Record
World War II
World War II
Conflict
Y1
2021
Passed Away
January 11, 2021
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
Y1
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more