I worked in archaeology with a guy who joined Navy Intelligence who crashed onto Hainan Island after the collision with the Chinese fighter jet, killing their pilot, in the early days of the Bush admin's first term. I read this intellsat was the size of a school-bus and this whole failed mission cost $1 billion. Perhaps, though 100 paper airplanes tossed from the ISS would be needed to land on Earth, 70% water on this pale blue planet, the DOD maybe was afraid of a chance of discovery? If it fell in the wrong place? Comment at CBS.com on "U.S. Keeps Close Eye On Satellite Debris: Pentagon: Debris From Destroyed Satellite Being Monitored, Unlikely To Cause Harm On Earth"