US MARINE CORPS
Gregory Dean Armstrong
December 25, 1948—August 23, 2019
Life Timeline
70 years1948
Born
December 25, 1948
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
2019
Passed Away
August 23, 2019
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more