https://aviationweek.com/business-aviation/hidron-glider-sets-new-high-stratospheric-flight
HiDRON Glider Sets New High In Stratospheric Flight | Aviation Week
An unmanned glider has been launched from a stratospheric balloon at 111,434 ft. altitude on a scientific flight to test an airglow monitor (AMON).
new highglidersetsstratosphericflight