The aircraft carriers USS Enterprise (CVN 65) (top) and USS George Washington (CVN 73); the fast combat support ship USS Supply (AOE 6) (center) and the ammunition ship USS Mount Baker (AE 34) (bottom) steam in formation in the waters of the western Mediterranean Sea during turnover operations on July 12, 1996. The Enterprise Battle Group is relieving the Washington Battle Group in the Mediterranean Sea. The USS Enterprise, the Navy's oldest active, nuclear powered aircraft carrier, returns to sea for her first scheduled deployment in several years following a complex overhaul.