Assertion: aircraft's altitude | /r/HasProperty | up to 55,000 feet
Facets:
Source sentences:
text: NACA announced that the USAF Air Weather Service would use a Lockheed-developed aircraft to study the weather and cosmic rays at altitudes up to 55,000 feet; accordingly, the first CIA detachment of U-2s ("Detachment A") was known publicly as the 1st Weather Reconnaissance Squadron, Provisional (WRSP-1).