Two of the shuttles - Challenger and Columbia - were destroyed, one at launch, the other during the ride home. It cost $196billion over 40 years, ended the lives of 14 astronauts and managed to make less than half the flights promised. Infrasound, also known as low-frequency sound, describes sound waves with a frequency below the lower limit of human audibility. NASA's first space shuttle flight was in April 1981, the last was in July 2011. The space shuttle was sold to America as cheap, safe and reliable.
Three of the shuttles - Spring,Cruz and AC-1294 were very popularity contests.
( z0 contest :ARG2 ( z1 popularity ) :ARG2 ( z2 shuttle :quant 3 :ARG1-of ( z3 include :ARG2 ( z4 and :op ( z5 shuttle ) :op ( z6 bus :name ( z7 name :op "Spring" ) :name ( z8 name :op "Cruz" ) ) :op ( z9 bus ) ) ) ) :mod ( z10 very ) :rel 1294 :rel ( z11 AC-130 ) )
(z0 / contest-02
    :ARG2 (z1 / popularity)
    :ARG2 (z2 / shuttle
              :quant 3
              :ARG1-of (z3 / include-91
                           :ARG2 (z4 / and
                                     :op1 (z5 / shuttle)
                                     :op2 (z6 / bus
                                              :name (z7 / name
                                                        :op1 "Spring")
                                              :name (z8 / name
                                                        :op1 "Cruz"))
                                     :op3 (z9 / bus))))
    :mod (z10 / very)
    :rel 1294
    :rel (z11 / AC-130))
Three of the shuttles - Spring , Cruz and AC - 1294 were very popularity contests .
z2 :ARG1-of z3
z2 :quant 1
z6 :name z7
z7 :op1 3
z6 :name z8
z8 :op1 2
z4 :op3 z9
z4 :op2 z6
z4 :op1 z5
z3 :ARG2 z4
z0 :ARG2 z1
z0 :mod z10
z0 :ARG2 z2
z0 :rel 0
z0 :rel z11