Not really. In the first two years (from May 1957 to May 1959), R-7 had 56% fail...

pps43 on March 7, 2017 | parent | context | favorite | on: North Korea’s Missile Launches Were Failing Too Of...

Not really. In the first two years (from May 1957 to May 1959), R-7 had 56% failure rate (23 launches, 13 failures). It is now one of the most reliable rockets.