June 16, 2007 - Using air bags for a ground landing, Jones said, could eliminate the expense of building a new spaceship for each mission. One of the orange air bags lay over the edge of the boilerplate, limp and deflated, clearly a casualty of the short flight. The force apparently had ruptured a smaller interior bag, known as an "anti-bottoming bag," that is supposed to prevent the spacecraft from dragging on the ground.