There was no need to use my helmet light.
I'll show you how to work the helmet light.
He activated the suit's helmet light and looked again.
They went to the doorway and entered, one at a time, switching on their helmet lights.
We had to use helmet lights in the narrow, dark passage.
Without finishing what he'd started to say, he switched on his helmet light and climbed into the opening.
His helmet light cut a bright path through the metallic darkness.
His helmet light was a pale flame after the blue glare of the tunnel end.
It was in shadow, and he used his helmet light.
- began using his helmet light, but there was no change in the other's emotional radiation.