The HALO and Falcon research aircraft in front of the hangar in Kiruna

The HALO and Falcon research aircraft in front of the hangar in Kiruna
The HALO and Falcon research aircraft in front of the hangar in Kiruna
HALO (High Altitude LOng range research aircraft) and Falcon flew atmospheric researchers on coordinated measurement flights from Kiruna in northern Sweden.
Credit:

DLR/Andreas Minikin (CC-BY 3.0).

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