Despite everything, I had to smile inside my helmet.

He couldn't hear her over that infernal noise inside his helmet.

All the status indicators inside her helmet showed a reassuring green.

It was the voice of the artificial man, Mark, soft inside her helmet.

I know there was a huge smirk hanging around inside my helmet.

I'll keep the telecom on so you will understand every word inside your helmet.

"The ice is clearing away inside his helmet," she reported.

The voice came clearly through the speaker inside his helmet.

George must have nodded inside his helmet, though Clan could not see it.

He had visions of the little being choking inside its helmet.