Multimedia Gallery
- Media Type: Photograph
Eighth Air Force Patch and Navigator’s Wings.
SECOR, a satellite used as part of a U.S. Army experimental navigation system.
Engineers on the night of the launch at the Jet Propulsion Laboratory in Pasadena, California, where Pioneer 4 was built.
Engineers at Goldstone prepare for the launch of Pioneer 4.
Ernest L. Smith and navigator Emory B. Bronte of the first civilian flight from the U.S. mainland to the Hawaiian Islands.
Mathematician Bill Guier (left), APL Research Center director Frank T. McClure (center), and physicist George Weiffenbach (right).
Ferdinand Berthoud, a Swiss clockmaker serving the king of France, produced many marine clocks.
Francesco de Pinedo and Carlo del Prete in their aircraft before their transatlantic flight.
Pan American Airways navigator
