Nelson Begins Formal Push For Extra Shuttle Flight
Letter from Sen. Nelson to President Obama Regarding An Additional Space Shuttle Mission, (PDF)
“As we begin work on the NASA reauthorization bill for fiscal year 2011, I write to inform you of my intention to include language authorizing an additional space shuttle flight… this new mission. STS-135, would be flown with a minimum crew of four astronauts and would provide critical spare parts and logistics for long-term ISS operations”