1961年5月25日，美国总统约翰·f·肯尼迪(John F. Kennedy)在国会联席会议上发表讲话，宣布了他登月的决定。肯尼迪在向国会发表的国情咨文中概述了他决定在2020年前将美国宇航员送往月球的计划。请听完整的演讲。
On May 25, 1961, President John F. Kennedy addressed a joint session of Congress to announce his decision to go to the Moon. In the address, called the Special Message to Congress on Urgent National Needs, Kennedy outlines his decision to send American astronauts to the Moon by the end of the decade. Listen to the full speech.
In this image from 1962, Kennedy attends a briefing given by Major Rocco Petrone during a tour of Blockhouse 34 at the Cape Canaveral Missile Test Annex. Also in attendance are Vice-President Lyndon Johnson and Secretary of Defense Robert McNamara.