Jet Propulsion Laboratory Director William Pickering (left), Dr. James Van Allen (middle), and Dr. Wernher von Braun (right) hold up a model of Explorer 1, which successfully launched on January 31, 1958.
Image Credit: NASA
Jet Propulsion Laboratory Director William Pickering (left), Dr. James Van Allen (middle), and Dr. Wernher von Braun (right) hold up a model of Explorer 1, which successfully launched on January 31, 1958.
Image Credit: NASA
