28. When did this person serve on active duty in the U.S. Armed Forces?
Mark (X) a box for each period in which this person served, even if just for part of the period.
[] September 2001 or later
[] August 1990 to August 2001 (including Persian Gulf War)
[] May 1975 to July 1990
[] Vietnam era (August 1964 to April 1975)
[] February 1955 to July 1964
[] Korean War (July 1950 to January 1955)
[] January 1947 to June 1950
[] World War II (December 1941 to December 1946)
[] November 1941 or earlier
Person questions 25-32
P28. Mark as many responses as apply.