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UID:launch-72eebd7f-2051-4357-b643-c41246c0be1e@padside
DTSTAMP:20260721T210112Z
DTSTART;VALUE=DATE:19750820
SUMMARY:Titan IIIE | Viking 1
DESCRIPTION:Viking 1 was the first of two spacecraft (along with Viking 2)
  sent to Mars as part of NASA's Viking program. On July 20\, 1976\, it be
 came the first spacecraft to land successfully on Mars and perform its mi
 ssion. Viking 1 held the record for the longest Mars surface mission of 2
 307 days or 2245 sols until that record was broken by Opportunity on May 
 19\, 2010.
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