Carnival will launch four new cruise ships this year across four of its 10 global brands – Carnival Cruise Line, Seabourn, AIDA Cruise and Holland America Line.

The Miami-based company said that the new vessels are part of Carnival ’s ongoing fleet enhancement strategy with 18 new ships scheduled for delivery between 2018 and 2022.

The ships are the 3,900-berth Carnival Horizon, 600-berth Seabourn Ovation, 5,230-berth Aidanova and 2,666-berth Nieuw Statendam.