T Battery (Shah Sujah's Troop) Royal Artillery is an air defence battery of the Royal Artillery that serves with the British Army's 12 Regiment Royal Artillery. It is stationed at Baker Barracks, Thorney Island, West Sussex. Formed 1838 as Shah Sujah's Troop, it was part of Shah Sujah's force that attempted to restore him to power in Afghanistan. After the assassination of Shah Sujah in 1842, the battery was transferred to the Bengal Army of the Honourable East India Company.