What is the "Big Arm"?
A new arm wrestling video game.
A robotic arm on the space shuttle that needs to be repaired.
A 57-foot robotic arm for the international space station.

	What country built it?
USA.
India.
Canada.

	Why is it so important?
The Big Arm will help construct the International Space Station.
The Big Arm will replace a smaller, outdated robotic arm on Mir.
The Big Arm will extend the reach of space walking astronauts.

	Which space shuttle was it launched on?
Challenger.
Endeavor.
Apollo