Final answer:
Aircraft carriers are the center of a modern naval task force or task group.
Step-by-step explanation:
The center of a modern naval task force or task group is typically an aircraft carrier.
Aircraft carriers are large warships designed to carry and launch military aircraft.
They play a central role in naval operations, providing air support and serving as a mobile base for other ships and submarines.
therefore, Aircraft carriers is the type of ship is the center of a modern naval task force or task group.