Equally important to the ballistic range tests is the design of model and sabot.

模型及弹托设计是开展弹道靶试验研究的基础。

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But Britain believes Iran has also conducted at least three secret tests of medium-range ballistic missiles since October.

BBC: William Hague concerned over Iranian missile tests

Evolutionary sea-based defenses, an early version of which conducted a successful intercept of a short-range ballistic missile two months ago, meet both of these tests.

CENTERFORSECURITYPOLICY: An Effective Antimissile Strategy