Boeing executive Mark Nappi had been the face of the company’s Starliner program during its beleaguered Crew Flight Test to the International Space Station that ultimately left its crew of two NASA astronauts behind when the spacecraft returned to Earth last year. Boeing executive Mark Nappi had been the face of the company’s Starliner program during its beleaguered Crew Flight Test to the International Space Station that ultimately left its crew of two NASA astronauts behind when the spacecraft returned to Earth last year. Space Exploration Phys.org – latest science and technology news stories