On December 19, the sound of the a human voice was transmitted through space. It was the voice of President Eisenhower, broadcasting a message of peace to the world below.

This is the President of the United States speaking. Through the marvels of scientific advance, my voice is coming to you from a satellite circling in outer space. My message is a simple one. Through this unique means, I convey to you and all mankind America’s wish for peace on earth and good will to men everywhere.

-Satellite SCORE Goodwill message, President Eisenhower, December 19, 1958

Recorded on December 17th, it was transmitted to the satellite following a last-minute plan to change the existing recordings with Eisenhower’s goodwill message and broadcast on December 19th.