It cost $196billion over 40 years, ended the lives of 14 astronauts and managed to make less than half the flights promised. NASA's first space shuttle flight was in April 1981, the last was in July 2011. Two of the shuttles - Challenger and Columbia - were destroyed, one at launch, the other during the ride home. The space shuttle was sold to America as cheap, safe and reliable. But I think the same complexity is what makes them beautiful, he said.
80% of the shuttle's missions were successful.
( z0 succeed :ARG1 ( z1 mission :ARG0 ( z2 shuttle ) :ARG1-of ( z3 include :ARG2 ( z4 mission :ARG1 z2 ) :ARG3 ( z5 percentage-entity :value 80 ) ) ) )
(z0 / succeed-01
    :ARG1 (z1 / mission-01
              :ARG0 (z2 / shuttle)
              :ARG1-of (z3 / include-91
                           :ARG2 (z4 / mission-01
                                     :ARG1 z2)
                           :ARG3 (z5 / percentage-entity
                                     :value 80))))
80 % of the shuttle 's missions were successful .
z5 :value 0
z3 :ARG3 z5
z1 :ARG0 z2
z1 :ARG1-of z3
z4 :ARG1 z2
z3 :ARG2 z4
z0 :ARG1 z1