As a member of the British Empire, defence was provided along the lines of the British Army, with the estalishment of the King’s Own Malta Regiment as the Infantry Battalion. This Regiment had Infantry Battalions organised as inter-war British Infantry Battalion, with a Machine Gun Platoon of four guns, each with six-man sub-sections.

The Garrison was supplemented during the Second World War by British Regiments, including the 1st Bn, Cheshire Regiment for a significant period of time.