Recently picked this flight up on my ADS-B receiver with tags fully ADS-B defined.
This is the NASA 747 that is outfitted with an airborne telescope. https://en.wikipedia.org/wiki/Strato...ared_Astronomy
https://www.flightradar24.com/data/a...n747na#9b04ffd
FAA's registration info. Since NASA is considered civilian it is registered with the FAA.
http://registry.faa.gov/aircraftinqu...mbertxt=N747NA
This is the NASA 747 that is outfitted with an airborne telescope. https://en.wikipedia.org/wiki/Strato...ared_Astronomy
https://www.flightradar24.com/data/a...n747na#9b04ffd
FAA's registration info. Since NASA is considered civilian it is registered with the FAA.
http://registry.faa.gov/aircraftinqu...mbertxt=N747NA