 Complete the following phrase:  Following Queenslands separation from New South Wales in 1859, the new government was faced with a problem: there was no permanent military presence in the new colony. The decision was made to establish a permanent presence at a site known as Green Hills. Construction of the new Green Hills Barracks began in 1864. The original barracks consisted of a guard room, a barracks block and officers quarters. The first unit to occupy the new barracks was a detachment from the 12th East Suffolk Regiment of Foot. Although the barracks expanded in subsequent years to include a military hospital and a magazine, the garrison dwindled due largely to the effects of the 