sentences:  The size of these forces varied over time.Initially the garrison was formed by only one regiment (battalion equivalent), however, in 1824 it rose to three.At its peak, in the 1840s, there were between four and six, although this fell to two in the early 1850s after the end of transportation and then to one by the end of the decade as troops were dispatched to India during the Indian Mutiny and to New Zealand to fight during the New Zealand Wars or were needed elsewhere in the British Empire.