11.  I was seventeen, and most of the other students in my year had done military service and were a lot older.

12.  Immediately after his return he was forced to do his military service.

13.  Karl attended college after military service.

14.  Military service entails frequent changes of domicile.

15.  Military service was considered an honorable career choice.

16.  More and more men are refusing to do military service.

17.  My father was exempted from military service on the grounds of ill health.