 A hangar just west of the Camarillo Airport Tower in Camarillo, California, was used as a set during filming, although it has since been replaced with newer buildings.The series concerns two undercover secret agents, Rio and Wiley, who assume a new role for the State Department as pilots who work for the Latin America airline Air America.They receive direct orders from the State Department to do various missions such as protecting witnesses, investigating international crime, and rescuing those in need.