Summary: Lot of old satellites and debris orbit the earth in space. But one hunk of metal is particularly special this year. The satellite Vanguard has been orbiting the earth for 60 years. It is the oldest satellite in orbit and it launched for the Naval Research Laboratory. For more on the significance of this satellite, Federal News Radio's Scott Maucione spoke with NRL Historian Angel Callahan and Naval Center for Space Technology Director John Schaub for Federal Drive with Tom Temin.
