As Scrin the getting to tier 4, make available the all powerful Mothership and the Planetary AssaultCarrier.
对于Scrin, 4级科技使游戏玩家你能够使用最强大的母舰与星际攻击战舰。
2
America, the first of a new class of amphibious assault ships, "has the potential to be a new generation of light aircraft carrier," Hendrix writes.
美国一种新式的两栖攻击舰将会出现，“很有可能成为新一代轻型航母，”亨德里克斯写道。
3
The U. S. is sea-basing its operations on an aircraft carrier, an amphibious assault ship, and a hospital ship and is using helicopters and landing craft for movement.