1 Introduction.- 1.1 What's in a name . . .UAV or UAS?.- 1.2 Motivation and Rationale.- 1.3 On Regulating Safety.- 1.4 Book Objectives and Outline.- References.- 2 Aviation History and Unmanned Flight.- 2.1 Precursors of Flight and Unmanned Aircraft.- 2.2 1916-1944.- 2.3 The Machines of the Cold War.- 2.4 Modern Systems.- 2.5 Remarks.- References.- 3 Current Manned Aviation Regulation.- 3.1 Introduction.- 3.2 Airworthiness Certification.- 3.2.1...