Serving 20 years in the Army can be a very rewarding career. There are many unique job opportunities that only few people know about. Hopefully, after researching through this page you will have a better idea of what the Army can offer its soldiers. Want to train soldiers? Become a Drill Sergeant. Ever thought of working in an embassy for away from America? There is a program called Defense Attache Service, check it out here. Getting ready to retire? Not sure what you will do once you finish your military career? You have come to the right place. Click here to view information about retiring from the military.