The Prime Power Unit (PPU) is an air- and highway-transportable, trailer-mounted 1.3MW (megawatt) Generator Set, a key component of the Terminal High Altitude Air Defense (THAAD) system.

主动力单元（PPU）是一种可搭载空中和公路运输，拖车式1.3MW （兆瓦）发电机组，这也是终端高空防御系统（THAAD）的关键组成部分。

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Puma AE systems incorporate the same handheld Ground Control Unit used by U.S. Department of Defense and allied military customers to control Raven and Wasp systems.

Puma AE系统结合有与美国国防部及其盟军用户相同的手持地面控制装置，可控制“大乌鸦”和“黄蜂”系统。

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The fire distribution module established the judgment model through AHP, and the shooting target distribution was carried out in each air defense fire unit.

火力分配模块通过层次分析法建立评判模型，并对各个防空兵火力单元进行射击任务区分。

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So both the traditional and non-traditional business lines of the defense unit were endangered.

FORBES: Boeing's Defense Turnaround

Giuliano, 55, joined ITT in 1988 as vice president of the defense unit before becoming ceo in February 2001.

FORBES: Muckraker

Camera-shy and soft-spoken, Giuliano, 55, joined ITT in 1988 as vice president of the defense unit before becoming chief executive in February 2001.

FORBES: Muckraker