January
Jun 30 SAO Closes Operation Moonwatch
Year:
1975
Month:
june
Day:
30
Date:
Mon, 1975-06-30
SIA Image reference:
Operation Moonwatch, the worldwide volunteer satellite tracking network run by the Smithsonian Astrophysical Observatory, ends after 18 years. These volunteers played a major role in tracking artificial satellites after the launch of the Russian satellite Sputnik in 1957. The Volunteer Flight Officers Network is also disbanded.