Fall of Reach - Mjolnir Shield Dura 3

In the blink of an eye, the dot had wings and the Master Chief’s thermal sensors picked up a plume of
jetwash. In seconds, the SkyHawk closed—then opened fire with its 50mm cannons.

He jumped.

The wooden poles splintered into pulp. They were mowed down like so many blades of grass. The Master Chief rolled, ducked, and flattened himself on the earth. He caught a smattering of rounds and his shield bar drooped to half. Those rounds would have penetrated his old suit instantly.

- Halo: The Fall of Reach, Chapter 27