And so it wasn't a surprise that when astronauts first started the Mercury program, such as John Glenn orbiting the earth, that charts and maps that he was using were in Futura.
所以也不奇怪为什么当宇航员第一次启动水星计划时，例如John Glenn 绕地球轨道运行，他使用的图表和地图都是用Futura的。
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