1944年7月22日,一架美军C47运输机从重庆起飞后向北飞去,目的地是延安。两架美国陆军第14航空队的战斗机为这架运输机护航,运输机上是美军延安观察组的第一批9名成员,他们代表美国军方和政府,肩负着进驻延安、开辟与中国共产党直接联系通道的使命。这次航行比尼克松总统1972年? On July 22, 1944, a U.S. C47 transport aircraft flew north after taking off from Chongqing with the destination of Yan’an. Two U.S. Army 14th Air Force fighters escorted the transport plane. The transport plane was the first nine members of the U.S. Yan’an Observatory. On behalf of the U.S. military and the government, they are stationed in Yan’an and opened up direct links with the Chinese Communist Party Channel mission. This voyage than President Nixon 1972?