None of the platoon leaders had ever served a day on active duty.

Roughly 40 percent of our class is still serving on active duty.

Later that year he ceased to serve on active duty.

Each one is either serving on active duty or has served in the military.

You've served your time on active duty, as you well know.

He served on active duty in the military from 1943 to 1946.

Buyer served three years on active duty in the Army between 1984 and 1987.

He served on active duty from October 1945 until spring 1947.

They serve on active duty for a specified period of time.

He served on court-martial duty for the next 3 years.