Fall of Reach - Mjolnir HUD

He stepped forward. The technicians fitted him as the others watched and the pieces of the MJOLNIR
system were assembled around his body. It was like a giant three-dimensional puzzle.

“Please breathe normally,” Dr. Halsey told him, “but otherwise remain absolutely still.”
John held himself as motionless as he could. The armor shifted and melded to the contours of his form.
It was like a second skin . . . and much lighter than he had thought it would be. It heated, then cooled—
then matched the temperature of his body. If he closed his eyes, he wouldn’t have known he was
encased.

They set the helmet over his head. Health monitors, motion sensors, suit status indicators pulsed into life. A targeting reticle flickered on the heads-up display.

- Halo: The Fall of Reach, Chapter 13