Simplify the following text for a Grade 8 native English-speaking person.
Original: The original spacecraft was lost in a launch failure on February 24 , 2009 , when the payload fairing of the Taurus rocket which was carrying it failed to separate during ascent .
Simplified: It was lost in a launch failure on February 24 , 2009 , when the box of the Taurus rocket which was carrying it failed to come off during launch .