Poll: What Is the US Air Force's Mysterious X-37B Space Plane Doing in Orbit?
Peaceful uses in space: The X-37B is quiet because it's a robot and doesn't talk.
Space weapon tests: It's a secret project to make war in space.
Space surveillance: It's the world's best spysat platform.
Space tech tests: The U.S. military is pushing the robotic spaceflight frontier.
Created at Crowdsignal.com