Halo Contact Harvest 12

Avery punched the Warthog's horn. He didn't let up until the commanding honk cut through the groan of the dropship's anti-grav units. When the alien rose to face the sound, Byrne let him have it.

Blue sparks burst from the alien's energy shields as the LAAG'S twelve-point-seven millimeter rounds drove home. The creature staggered backward, and, for a moment, Avery thought Byrne's sustained fire would cut it down. But just as its knees looked set to buckle, the alien rolled sideways behind the sedan.-Chpt.17