Sonic grenade
From Halopedia, the Halo wiki
Sonic grenades are United Nations Space Command weapons. Little is known about them, other than that several of these were used by Colonel James Ackerson in testing the MJOLNIR Mark V armor on Reach, hidden amongst the Pillars of Loki and used in conjunction with napalm grenades.[1]
List of appearances
- Halo: The Fall of Reach (First appearance)
Sources
- ^ Halo: The Fall of Reach, page 262