U.S. Army
Robert M Hackler
Unknown—July 4, 1941
COOK
Life Timeline
Birth
Born
US ARMY
Service Record
COOK
1941
Passed Away
July 4, 1941
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
COOK
Sourced from official cemetery data; last updated May 30, 2026.Learn more