The skipper's voice sounded nastier than usual in his helmet earphones.

"Pumping down the chamber," Fritz's voice said in his helmet earphones.

Screams and cries of horror filled the Sudanese's helmet earphones.

I heard each of them in my helmet earphones.

The words were shouted so loud they rasped the tiny helmet earphones.

"This way," he heard Alexios's voice in his helmet earphones.

Yamagata heard the man's voice in his helmet earphones, "We'll have to use the suit radios to speak to one another now."

"I've done it before," Big George's voice replied in his helmet earphones.

Vargas heard it as a terrified screech in his helmet earphones.

Connors's melodious voice now came humming through the helmet earphones.