The ATP Challenger Series is a series of professional tennis tournaments sanctioned by the Association of Tennis Professionals
"Challenger", a song by American Music Club from their 1994 album Mercury
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On January 28, 1986, the Challenger and its seven-member crew were lost 73 seconds after launch when a booster failure resulted in the breakup of the vehicle.
Challenger had been built with a simulated crew module and the forward fuselage halves had to be separated to gain access to the crew module.
wo orbiters, Challenger and Discovery, were modified at KSC to enable them to carry the Centaur upper stage in the payload bay.