1. Torah is not equally imporant as the Army. Torah is more important.
2. There is no Milchemes Shel Mitzvah today.
3. All citizens should be required to sit in Yeshiva and learn Torah for at least as long as they want to require Army service. After they implement that, we’ll discuss Army service.
4. Since you are discussing Torah law, newlyweds and anyone afraid of war gets an exemption.