America's supremacy in the air is made possible by its mastery of space.

美国的空中霸权要归功于其对太空的掌控。

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With naval and air supremacy and modest ground elements to defend bases, any major attack from continental Asia toward us or our friends in the Pacific would be doomed to failure.

有了海军、重要的空军和适度的陆军来保卫基地，任何对亚洲大陆的以及我们和我们在太平洋上的朋友的蓄意攻击都必将逃不了失败的厄运。

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After several years of lagging behind, Boeing seems set to climb past its rival in the battle for air supremacy.

ECONOMIST: Cabin fever

On the 70th anniversary of the decisive clash - in which the RAF repelled a German bid for air supremacy - Harrow Council permitted the museum.

BBC: Battle of Britain museum in Bentley Priory approved

To all the friends of Air Force football, congratulations on holding onto the title of gridiron supremacy in the Armed Forces.

WHITEHOUSE: President Obama Presents the Commander-in-Chief Trophy