M40 Ridgeway heavy tank (Earth-2915)

The M40 Ridgeway heavy tank is a tank utilized by the UNSC that demonstrates the continuing value of heavy armor on the modern battlefield, with its ability to fire 115 mm shells at a rate of 60 rpm, deliver particulate barrier smoke, scatterable mines and support fire from its integral 60mm mortars and defend against aerospace craft and incoming missiles with its 20 kW phased plasma point defense gun.

Source

 * https://avp.fandom.com/wiki/Colonial_Marine_Tanks.