English Vladimir Pletser Cited by user Marsnow on 01 Nov 2016 He is an expert in microgravity during aircraft parabolic flights for which he holds a world record.
English Vladimir Pletser Cited by user Marsnow on 01 Nov 2016 He is an expert in microgravity during aircraft parabolic flights for which he holds a world record.
English Vladimir Pletser Cited by user Marsnow on 01 Nov 2016 He is an expert in microgravity during aircraft parabolic flights for which he holds a world record.