 Richard Clement trained on the Ordnance Survey in 1829, and, subsequently, was commissioned as a Second Lieutenant in the Royal Engineers in 1830.He was promoted to Lieutenant 1835, to Second Captain in 1844, to Captain in 1847, to Lieutenant-Colonel in 1855, to Colonel in 1858, and to Major-General in 1866.Moody served with the Ordnance Survey in Ireland from 1832 to 1833.