US NAVY
Johannes Wolfgang Landmark
July 21, 1941—June 1, 2011
BTC
Life Timeline
69 years1941
Born
July 21, 1941
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
BTC
2011
Passed Away
June 1, 2011
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
BTC
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more