He looked away to the sonar display, then reached for a phone.

Kane was looking up at the sonar display above the postwo console.

The brilliant echo on the sonar display was dead ahead, and now only a hundred meters away.

Other screens showed sonar displays and a tactical situation plot.

On the sonar display, the torpedo was dead on the tone line from 406.

Twenty-five seconds later, they found out the hard way, when another splotch appeared on the sonar display.

Murphy's attention switched back and forth from the plot to the sonar display.

Murphy looked up at the sonar display above Colson's panel.

Lennox looked at the sonar display, his face still grim.

By this time the sonar display was totally confused.