It's an image President Joe Biden kept returning to: the sight of helicopters evacuating Americans from Saigon during the last major battle of the Vietnam War.
원문출처 : https://www.cnn.com/2021/04/14/politics/joe-biden-afghanistan-announcement/index.html
원문출처 : https://www.cnn.com/2021/04/14/politics/joe-biden-afghanistan-announcement/index.html