The leadship in this new class will not be purchased until 2019.
而这个新级别的主舰将在2019年之后才购买。
2
It will be the leadship of a new class of aircraft carriers, the first designed by the U.S. Navy since the Nimitz-class design in the 1960s.
它将是新一代航空母舰的主导舰船，自从1960年代的尼米兹设计以来第一次由美国海军设计。
3
S. government and to the nation.It will be the leadship of a new class of aircraft carriers, the first designed by the U.S.Navy since the Nimitz-class design in the 1960s.