He used the plane to make aerial surveys of the Kalahari's wildlife, and he and Delia conducted close observation of the social life of hyenas, learning about their surprisingly communal behavior.
First entering service in the 1980s, the twin-engine fighter plane was the U.S. 's first strike fighter - an aircraft capable of attacking both ground and aerial targets.
在上世纪八十年代开始服役，这是美国的第一个双引擎攻击战斗机，它即能攻击地上目标也能攻击空中目标。
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In the image above, you can see the aerial map applied to the ground plane.