 He commanded the British forces in the West Indies, leading the unsuccessful attack against Martinique in June 1793.He was made Colonel of the 16th (Buckinghamshire) Regiment of Foot in 1788, a position he held until his death.He was the Member of Parliament for Marlborough, 22 June 1790 – 30 May 1796, and Great Bedwyn, 28 May 1796 – 12 December 1797.