HAPS: DLR develops an unmanned stratospheric aircraft - DLR Portal

https://www.dlr.de/content/en/articles/news/2021/02/20210421_dlr-develops-an-unmanned-stratospheric-aircraft.html 

Learn more about the payloads being developed at DLR that HAPs will carry up into the stratosphere: https://t.co/NfneNu1YJU