The 106th (Yeomanry) Regiment Royal Artillery (Volunteers) is a Territorial Army (TA) Air Defence Artillery Regiment, with mixed equipment, in the British Army. One unit use the Starstreak HVM missile, while the other two use the Rapier SAM. The role 106 Regt is to provide reinforcement to regular army units. There is a Regimental HQ and three firing batteries. It is headquartered in Grove Park, London and 3 sub-units in London, Wolverhampton and Southampton.