Assertion: hypersonic aircraft | /r/CapableOf | reach 45,000 feet
Facets:
value: barely
type: MANNER
Source sentences:
text: Richard Leghorn of the United States Air Force (USAF) suggested that an aircraft that could fly at 60,000 feet (18,300 m) should be safe from the MiG-17, the Soviet Union's best interceptor aircraft, which could barely reach 45,000 feet (13,700 m).