An XB- 70 aircraft turns slowly to the right of frame. The aircraft taking off seen from the front. Close up of under carriage of plane. Plane flying away in a haze. Two men read a document as they walk. Shot of a wind tunnel. A man resting his hand on his chin. A black board. Two men in a room, one looking at reams of paper. Hands at work on a desk. Reels of an IBM computer. A hand leaning on a sheet of paper with a sketch on it. A hand writing an equation. Hand written equation being fed into computer. Close ups of reels. Close ups of computer components at work. Lines of figures printing out of computer. A hand holding a pencil points at the figures and then at a sketch. The aircraft parked. Close up of computer. Close ups of materials used in the manufacture of the aircraft. A man on the telephone. Men at work in a large room. The XB- 70 in the air. The moon large in the sky. Shot of the plane from above. The plane landing. It releases three parachutes behind it. Montage of shots of computer components and people at work designing the plane. The plane in the air. The ‘IBM’ logo.