U.S. Army
Robert John Grossenbacher
October 21, 1934—January 21, 2022
SP3
Life Timeline
87 years1934
Born
October 21, 1934
US ARMY
Service Record
Korean War
Korean War
Conflict
SP3
2022
Passed Away
January 21, 2022
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SP3
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more