...In his first public comments since the release of President Barack Obama's proposed NASA budget last week, Mike Coats said the space center will have to find new missions besides the International Space Station to replace the waning space shuttle program and the seemingly doomed Constellation program... Of the 17,000 civil servants and contractors who are funded through Johnson Space Center's programs, 7,000 work under the shuttle and Constellation programs. ...Obama's proposed wholesale cancellation of Constellation — NASA's next-generation exploration program that entailed development of rockets to carry humans to orbit, the moon and beyond as well as a versatile...