Roger Walker with GomX-4B model

Roger Walker, overseeing ESA's Technology CubeSats, with a 3D-printed model of GomX-4B due to be exhibited at ESTEC, the Agency's technical heart in Noordwijk, the Netherlands. The cereal-box sized GomX-4B – ESA’s biggest small CubeSat yet flown – has completed its mission for ESA, testing out new miniaturised technologies including intersatellite link communication with its GomX-4A twin, a hyperspectral imager, star tracker and butane-based propulsion system.