Suffredini raised some eyebrows when, at a public hearing last month, he declared flatly that the plan is to de-orbit the station in 2016. He addressed his comments to a panel chaired by former aerospace executive Norman Augustine that is charged by the Obama administration with reviewing the entire human spaceflight program. Everything is on the table — missions, goals, rocket design. And right there in the mix is this big, fancy space laboratory circling the Earth from 220 miles up. The cost of the station is both a liability and, paradoxically, a virtue. A figure commonly associated with the ISS is that it will ultimately cost the United States and its international partners about $100 billion. That may add to the political pressure to keep the space laboratory intact and in orbit rather than seeing it plunging back to Earth so soon after completion. "If we've spent a hundred billion dollars, I don't think we want to shut it down in 2015," Sen. Bill Nelson (D-Fla.) told Augustine's committee.

Some interesting background info, too ...