 Complete the following phrase:  On 24 April 1793, Elphinstone was appointed a second lieutet in the Royal Engineers. He was present for the expedition that took the Cape of Good Hope in 1795, and was promoted to lieutet on 5 February 1796 and captain on 1 July 1800. Elphinstone commanded the engineers in Sir David Bairds Indian army sent to help expel the 