20 Jul
2016
20 Jul
'16
10:53 p.m.
http://www.jpl.nasa.gov/missions/viking-1/
It was originally scheduled to touch down on July 4, in observance of the American bicentennial, but a sandstorm obscured the landing site. July 20 was chosen instead because it was the 7th anniversary of Armstrong and Aldrin landing, and later walking, on the moon.
73s
Bernhard VA6BMJ @ DO33FL