Cold War film illustrating the defense capacity of America's telephone network, highlighting AT&T's role in the design and construction of the nation's integrated defense structure, including the Distant Early Warning Line and the North American Air Defense Command. In the dramatic ending, rockets and missiles are fired at hostile forces in a readiness exercise and score a direct hit.

Cast:Raymond Massey,

Genre:Documentary,

country:United States of America,

Production:Audio Productions Inc.,