As the nuclear-powered aircraft carrier USS ABRAHAM LINCOLN (CVN-72) departs from port in Rio de Janeiro, the Unitas XXXI Task Force, headed by the Brazilian frigate LIBERAL (F-43), heads in through the fog. Other ships in the task force include the guided missile cruiser USS JOSEPHUS DANIELS (CG-27), the destroyer USS HAYLER (DD-997), the guided missile frigate USS STEVEN W. GROVES (FFG-29) and the tank landing ship USS HARLAN COUNTY (LST-1196)