The aircraft design goals utilized over a forty year period to produce a family of successful Business Aircraft are presented. The results, in terms of the primary long range business travel mission, are provided. The inherent capabilities as a high altitude, long endurance, military reconnaissance or surveillance mission aircraft platform are detailed. The seemingly unrelated Business Aircraft design goals that produce the excellent military mission performance are discussed. Noted are several applications of the aircraft family in the special mission role. Examples of two current production models, selected for special mission applications are presented. The capabilities of the two models and the application of advanced applied aerodynamic technologies are illustrated for several special mission roles through out the world.