PHASA-35 HAPS Faces Simulated Cold Soak

PHASA-35
The solar-powered air system made its first flight in February.
Credit: BAE Systems
LONDON—Prismatic’s PHASA-35 high-altitude pseudo-satellite has been fitted with a sensor payload and been taken through simulated cold soak testing to prepare it for stratospheric flight. The 35-m wingspan, solar-powered air system—which made its first flight in February—has been undergoing the...
Tony Osborne

Based in London, Tony covers European defense programs. Prior to joining Aviation Week in November 2012, Tony was at Shephard Media Group where he was deputy editor for Rotorhub and Defence Helicopter magazines.

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