Rocket Explosion

Supplies:
An unmanned rocket that was suppose to take supplies and experiments to the International Space Station exploded last Tuesday night.
Wreckage:
Nasa officials say some of the wreckage may be dangerous
Liquid-fueled:
They chose liquid- fueled propulsion because they would have more power to lift have loads.
Competitor:
The Rushian built engines used by Orbital Science had been strongly criticized by competitors 2 years ago
Aerospace:
Boeing is an aerospace company that will probably start launching rockets carrying astronauts to the orbital laboratory by 2017

Rocked Explosion

supplies 
An unmanned rocket that was supposed to take supplies and experiments to the International Space Station exploded last Tuesday night.

wreckage
Nasa officials say some of the wreckage may be dangerous.

liquid-fueled
They chose liquid-fueled engines because they have more power to lift heavy loads.

competitor
The Russian-built engines used by Orbital Science had been strongly criticized by a competitor 2 years ago.

aerospace
Boeing is an aerospace company that will probabily start launching astronauts to the orbital laboratory by 2017.