M19 missile
From Halopedia, the Halo wiki
The 102mm High-Explosive Anti-Tank (HEAT) shaped charge can be fired from the UNSC M19 SSM Rocket Launcher and M41 SSR MAV/AW Rocket Launcher. 102mm rockets are large, almost as large as the 105-120mm shells 21st century tanks used to fire.
Warfare
The HEAT can kill/destroy a
- Ghost in one direct hit.