20. a. Has this person ever served on active duty in the U.S. Armed Forces, military Reserves, or National Guard? Active duty does not include training for the Reserves or National Guard, but DOES include activation, for example, for the Persian Gulf War.
[] Yes, on active duty in past, but not now
[] No, training for Reserves or National Guard only [Go on to question 21]
[] No, never served in the military [Go on to question 21]
20. c. In total, how many years of active-duty military service has this person had?
[] 2 years or more