/ˈspeɪs ˌProfessionalʊb/ a small spacecraft, without a single travelling in it, despatched into space to create measurements and send again facts to experts in the world These examples are from corpora and from sources on the net. Any views during the illustrations will not symbolize the viewpoint from the Cambridge https://businessflightshop.co.uk/blog/the-future-of-business-travel/