The Air Force wants modern UCAVs with twin engines, low infrared signature, stealth features, electronic countermeasures and the ability to link with satellites.

空军希望现代无人战斗机能拥有双引擎，低红外特征，隐身功能，电子对抗，以及连接卫星的能力。

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"When the air temperature is hotter than the skin temperature, our ability to dissipate heat from the body is impaired," said Sleivert.

当气温高于皮肤的温度时，我们驱散身体热量的能力就被削弱了。

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The APG-77 is a vital part of the F-22 \ 's ability to strike at enemies as well as maintain air superiority.

APG - 77是F - 22打击敌人以及维持空中优势能力的重要组成部分。

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The aircraft maintains the air-to-air combat ability of the main F-15 fighter as the pilot can detect and fire at other aircraft.

BBC: News | In Depth | Military Fact Files

They affect the air and the ability to provide close air support, and they provide cover for forces that want to get along your supply lines and shoot at you close.

CNN: Shepperd: Heat can make gear 'miserable'

Barak believes too readily in the efficacy of air power and in the ability of elite ground units to rapidly seize and hold land.

FORBES: Fact and Comment