Episode 404Program 19, Episode 404 Program 19 consists of four exciting segments. In the "Behind the Scenes" segment, viewers will learn about a joint governmental agency working to redesign the national airspace; in the "Tech Watch" segment, viewers will learn about a new type of airplane which may soon be flying in the Martian Atmosphere; in the "Retrospective" segment viewers find out how NASA's Wind Shear Detection program helped save countless lives; and viewers find out about the Hypersonic X-43 aircraft in the "How it Works" segment. Apr 2005
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