27. 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