High school students are challenged to put themselves 50 years into the future to describe how air transportation systems have evolved with vehicles flying at various speeds. College students are invited to propose solutions for complex technical problems in hypersonic and supersonic flight; subsonic fixed and rotary wing transports; or Mars entry, descent, and landing. High school entries are due by March 15, 2007, and college entries are due by April 27, 2007.

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