Да, корабль такой. Тоже в AFTERMATH был, строиться при наличии верфи и вертолетной площадки.
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Цитата
HeliCarrier: THE HIDDEN AFTERMATH UNIT! This unit doesn't appear in any official mission. It can carry up to 5 helicopters to provide a landing base for them which could be closer to the enemy base to allow for faster attacks. To use, simply direct a helicopter to land on the carrier. Up to 5 can be carried this way. When the carrier is selected you can choose to fire on enemy units and all the helicopters will take off and attack
Так как он не вошел в финальную версию, его можно отдельно скачать:
Вот