Explorer IExplorer 1 was the first satellite launched by the United States when it was sent into space on January 31, 1958. Dale Ketchum of Space Florida opens the groundbreaking ceremony at Kennedy's Exploration Park for OneWeb. The company, in partnership with...America first satellite, Explorer 1. America joined the space race with the launch of this small, but important spacecraft. http://photojournal.jpl.nasa.gov/catalog/PIA04601Phoebian Explorers 2In January 1958, a modified Redstone rocket lifted the first American satellite into orbit just 3 months after the the...Launch of Jupiter-C/Explorer 1 at Cape Canaveral, Florida on January 31, 1958. After the Russian Sputnik 1 was launched in...Michael Watkins, Director of NASA's Jet Propulsion Laboratory, left, Susan Finley, who began working at NASA's Jet Propulsion Laboratory in...Michael Watkins, Director of NASA's Jet Propulsion Laboratory, left, Susan Finley, who began working at NASA's Jet Propulsion Laboratory in...Michael Moloney, Director for Space and Aeronautics at the Space Studies Board and the Aeronautics and Space Engineering Board of...