Assertion: glider's flight | /r/HasProperty | achieved
Facets:
Source sentences:
text: Once powered, controlled flight had been achieved, progress was still needed to create a practical flying machine for general use.
text: Human-powered flight has been achieved, but has not become a practical means of transport.
text: Hypersonic flight is achieved by reentering spacecraft such as the Space Shuttle and Soyuz.
text: Hypersonic flight is achieved by reentering spacecraft such as the Space Shuttle and Soyuz.