To amend title 10 and title 14, United States Code, and the Merchant Marine Act, 1936, to increase the period of the service obligation for graduates of the military service academies, the Coast Guard Academy, and the United States Merchant Marine Academy.

Excellence in Military Service Act - Amends Federal law relating to the military, naval, air force, coast guard, and merchant marine academies to increase to eight years the period of obligated service of cadets and midshipmen in those academies, applying the new requirement to persons first admitted to the academies after December 31, 2002.