US NAVY
John E Grenfell
November 21, 1927—April 11, 2017
LTJG
Life Timeline
89 years1927
Born
November 21, 1927
US NAVY
Service Record
Korean War
Korean War
Conflict
LTJG
2017
Passed Away
April 11, 2017
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
LTJG
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more