In this NASA video segment learn how NASA experts use a gantry to test the design of aircraft and spacecraft returning to Earth. The gantry is 240 ft. high and 240 ft. long. NASA has used the gantry to crash test airplanes. Using the data from these experiments, airplane manufacturers redesign aircraft for emergency landings or crashes. This segment also describes the design of ORION, the crew exploration vehicle planned for NASA’s return to the moon.