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1·Raytheon and Rafael are also teaming on the David Sling Weapon System, which is a mobile, land-based missile defense program, and the Blue Sparrow missile defense targets program.

雷神公司和拉菲尔公司还合作研制了“大卫投石索”武器系统，该产品是机动陆基导弹防御项目以及“蓝麻雀”导弹防御目标项目的一部分。

2·The construction of an SLBM test site with underwater communication and observation facilities and land-based missile tracking and telemetry facilities was finished in the early 1980s.

建立一个SLBM试验基地，水下通信和观察设备，陆基导弹跟踪和遥感勘测设备在1980年早期完成。