Aviation drama film centered on the hazardous lives of test pilots pushing the limits of experimental supersonic aircraft at Edwards Air Force Base.
Movie tag line: ""The top-secret jet-hot story of man-flown bullets... daring the Supersonic Unknown in conquest of space!""
Production companies:
Character: Col. Ed Buckley
Character: Mary Ellen
Character: Ruth Buckley
Character: Mickey Hill
Character: Dan Maddox
Character: Jeff Connors
Character: Skip Buckley
Character: Grace Hill