Set into his helmet was his crown of iron and diamonds.

Kirk reached into his helmet and powered on the communicator.

Kirk glanced down at the indicator lights built into his helmet.

After a beat, the director's voice crackled into Hanif's helmet.

Then without warning a voice burst through the jamming into his helmet.

Aidan turned, looking to him, then spoke into his helmet "We need a rope."

Kirk was speaking to the others over a communicator built into his suit's helmet.

I'm ready to go now, David/ he said into his helmet.

The one built into her helmet would do well enough for this short excursion.

Jones was rewarded by having 150 silver dollars poured into his helmet.