An American aerospace technology company has successfully flown an unmanned, full-sized helicopter in a test site in Arizona.

Koch doesn't envision the unmanned aircraft replacing all the ... “If you’ve got this full size helicopter flying beyond the line of sight, how is it going to react when it sees you?

Koch doesn't envision the unmanned aircraft replacing all the ... “If you’ve got this full size helicopter flying beyond the line of sight, how is it going to react when it sees you?

Koch doesn't envision the unmanned aircraft replacing all of ... "If you've got this full size helicopter flying beyond the line of sight, how is it going to react when it sees you?

A Rotor Technologies unmanned semi-autonomous helicopter ... “If you’ve got this full size helicopter flying beyond the line of sight, how is it going to react when it sees you?

Koch doesn't envision the unmanned aircraft replacing all the ... "If you've got this full size helicopter flying beyond the line of sight, how is it going to react when it sees you?