It coughed once, sending a beam of supersonic energy into the bodies of both men.

During the next two days, events moved with supersonic speed for the Cubs.

Lee stared at the apparition which swiftly materialized out of the ground haze at the plane's supersonic speed.

Flying at supersonic speed, they reached the area of the lost missile in the South Atlantic soon after lunch.

A tiny doll, proportioned like a woman, dashed toward me, shrilling in a supersonic shriek.

Instantly he was batted on the nose from above by a paw that moved with supersonic speed.

The massive plane flew at supersonic speeds and was equipped with jet lifters for vertical take-off or hovering.

Gunning the jet motors, he sent the big cargo ship arrowing forward at supersonic velocity.

A wave of some sort—probably subsonic or supersonic—continuously filled the Vininese atmosphere.

Within a week, they had determined there was indeed a broad range of supersonic frequencies capable of precipitating the dust.