1957年，苏联进入外层空间，美国人民意识到他们的国家衰落了，于是就决心重振旗鼓。
Or it could be remembered as another “Sputnik moment,” when, as with the Soviet foray into outer space in 1957, the American people realized that the country had lost its footing and decided it was time for the United States to get its act together.