1 min readT-38 Jet Used for Space Shuttle TrainingNASAApr 26, 2011 Image Article A T-38 jet is silhouetted against the sun in flight. NASA astronauts train in the T-38s to prepare for flying the space shuttle. A T-38 jet is silhouetted against the sun in flight. NASA astronauts train in the T-38s to prepare for flying the space shuttle. Credit: NASA/Terry Virts