Multimedia Gallery
- Navigation Methods: Radio Navigation
Matthew Fontaine Maury is the father of modern hydrography in the United States Navy.
Elder’s intended course and where she actual ended up were considerably different.
U.S. Navy hydrographers computed an alternate course for Elder and Haldeman after they disappeared.
The three Deep Space Network stations are separated by about 120 degrees of longitude so they can track spacecraft continuously as Earth rotates.
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.
Ruth Elder poses in a publicity still for Universal’s “Winged Horseman” (1929) while holding a model evocative of her transatlantic Stinson.
The certification set for the first GPS receiver certified for use under Instrument Flight Rules (IFR).
