Space Year Review 2012: Launch vehicles – Falcon 9, Delta IV and Soyuz show robustness in mishaps but not so for Safir or Proton

According to the Flightglobal SpaceTrak database, at 78 orbital launch attempts in 2012, there were six less launches than in the previous year. With 139 spacecraft on these flights (Shenzhou 9’s orbital module is counted as an autonomous spacecraft) there...