Federal air marshals spend a lot of time on commercial flights reading , staying inconspicuous . If they 're doing their job right and the plane isn't being hijacked or anything like that Concept of air marshals originates in early 1960s , when rash of flights to Cuba hijacked . Background in law enforcement not required but preferred .
Federal air marshals spend a lot of time on commercial flights reading , staying inconspicuous . If they 're doing their job right , passengers should not notice air marshals aboard flight . Concept of air marshals originates in early 1960s , when rash of flights to Cuba hijacked . Background in law enforcement not required but preferred .