Simplify the following text for a Grade 9 native English-speaking person.
Original: As of 11 October 2010 , with the canceling of the Constellation Program , the Ares program has ended and the Orion vehicle is now planned to be launched on top of Shuttle-Derived Heavy Lift Launch Vehicle , a cheaper alternative to the Ares series .
Simplified: On 11 October 2010 , with the ending of the Constellation Program the Orion vehicle is now thought to be launched on top of a Heavy Lift Vehicle .