US NAVY
Robert L Kostelak
April 18, 1927—April 17, 2020
CM3
Life Timeline
92 years1927
Born
April 18, 1927
US NAVY
Service Record
World War II
World War II
Conflict
CM3
2020
Passed Away
April 17, 2020
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
CM3
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more