Editing Da Vinci Project (section)

==Spacecraft design==
The project's design was a [[rocket]]-powered [[spacecraft]] to be [[air launch|air-launched]] from a helium balloon at an altitude of about 21&nbsp;km (65,000&nbsp;ft).<ref name="bbc">{{cite web | url=http://news.bbc.co.uk/2/hi/science/nature/3539018.stm | title=Second team goes for space prize | publisher=[[BBC News]] | date=5 August 2004 | access-date=September 20, 2012 | author=Twist, Jo}}</ref>  The project scope included design and construction of both the spacecraft and the launching balloon.<ref name="space.com-delay" /> The chosen design can be described as a crewed [[rockoon]].