The Master Chief heard metallic clacks around the tent.
	“Analyzing sound pattern,” Cortana said. “Database match. Identified as—”
	“As someone cycling the bolt of an MA5B assault rifle. I know. Standard-issue weapons for Orbital Drop Shock Troopers.”
...
	The remaining gunner completed his turn and opened fire. A three-round burst ricocheted off the MJOLNIR armor’s energy shield. The shield’s recharge bar flickered a hairbreadth.