John Glenn to NASA: Keep shuttles flying, MSNBC

"Glenn fears that a failure involving Russia's Soyuz craft, the only ship besides the shuttle capable of bringing astronauts to the space station, would almost certainly result in the abandonment of the station."

John Glenn pushes to keep space shuttle flying. Florida Today

"The cost of continuing the shuttle is really very tiny compared to the $100 billion investment that we've made in the station," said Glenn, who became the first American to orbit Earth in 1962 and then returned to space aboard Discovery in 1998 at age 77."