selective service definition
The Selective Service System is an independent federal agency within the Executive Branch of the federal government of the United States. The Director of the Selective Service System reports directly to the President of the United States of America.he Military Selective Service Act of 1967 (Selective Service Act of 1948) expanded the ages of conscription to the ages of 18 to 35. It still granted student deferments, but ended them upon either the student's completion of a four-year degree or his 24th birthday, whichever came first.