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. It is 3mm shorter than the 105mm round 21st century M1 Abrams tanks fired, effectively the 102mm a tank round.
Warfare
The HEAT can kill/destroy a
- Ghost in one direct hit.