SD:3-in Mortar (UK)

 is a British Artillery unit.

Overview
The Ordnance ML 3 inch mortar was the successor of the Stokes mortar in British service, designed to provide infantry units with close artillery support. Inexpensive and easy to produce, the mortar had somewhat limited firepower and range in 1939, but revisions to the propellant, sights, and general design quickly brought it to parity with German designs. They were so effective, in fact, that it remained in service for three decades, finally superseded by the L16 81mm mortar in 1965.

The Motor Battalion has mortar detachments with two 3 inch Mortars in the Motor Company mounted in Universal Carriers. While the Infantry Battalion has Mortar Platoon with 6 3 inch Mortars.