A Swiss Air Force Super Puma Cougar helicopter releases flares during a flight demonstration over the Axalp in the Bernese Oberland, Switzerland.
(REUTERS/Arnd Wiegmann)
A Swiss Air Force Super Puma Cougar helicopter releases flares during a flight demonstration over the Axalp in the Bernese Oberland, Switzerland.
(REUTERS/Arnd Wiegmann)