US NAVY
John Silas Klaassen
May 28, 1915—March 18, 2009
CM2
Life Timeline
93 years1915
Born
May 28, 1915
US NAVY
Service Record
World War II
World War II
Conflict
CM2
2009
Passed Away
March 18, 2009
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
CM2
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more