NASA U-2 from SLN

https://globe.adsbexchange.com/?icao=aaf954
https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-046-DFRC.html
interesting it doesn't recognise it at military
anyone know what, most likely, it's doing?

 

It's former military. Notice the reg # bis now civilian.

 

You can book time on it for $5k/h ;-)

https://airbornescience.nasa.gov/aircraft/ER-2_-_AFRC

 

It seems to be storm chasing. Check out weather radar in that area.