Kelly rotated her tank about and fired at the remaining Wraiths and the cluster of Grunts trying to put out the fires near those she'd already destroyed. For a split second the ground was the
surface of a sun; it flared, faded, and then was nothing but ash. Fred fired his mortar--as fast as the tank's power supply would cycle. He lobbed three silver-white projectiles at the concentration of Elites and plasma turrets.

They had shields that protected them for a microsecond before they overloaded and collapsed. They flared like the "strike-anywhere" matches the
ODSTs used to light their contraband cigarettes.- pgs.Chpt.12 pgs.142-143