The US military is planning to shoot down a spy satellite:
WASHINGTON (Reuters) - The Pentagon plans to shoot down a disabled U.S. spy satellite before it enters the atmosphere to prevent a potentially deadly leak of toxic gas from the vehicle's fuel tank, officials said on Thursday.
President George W. Bush decided to have the Navy shoot the 5,000-pound (2,270 kg) minivan-sized satellite with a modified tactical missile, after security advisers suggested its reentry could lead to a loss of life.
The Bad Astronomer has made a video explaining the situation: