We have been working with methane and talking about methane for 40 years. There has never been an engine produced that runs on methane.

When the shuttle is retired I can immediately take the engine assets out of the shuttle program and fly them on these vehicles.

The whole initiative [NASA Administrator Mike Griffin] has introduced since he took over breathes new life into the propulsion industry. Before we were kind of in a going-out-of-business mode.

The tests we did back then indicated that it would not be a big hurdle for the [space shuttle main engine] to achieve. But its a matter of getting started and having time to run the verification test program to satisfy everybody that it can meet the mission requirements.

There are ways we can help renters who are paying more in rent than they would pay in a mortgage payment today, ... We have to find those ways to help people accomplish that dream.

We're living in a different world now. We have lots of security measures in place.