 He served in an attack on the French coast in 1758 and then fought under Prince Ferdinand of Brunswick in Germany in 1760.He served as Member of Parliament (MP) for East Grinstead from 1762 to 1783, Governor of Gibraltar from 1765 to 1767, member of the Irish privy council, and as Commander-in-Chief, Ireland from 1775 to 1782.Losing the last of these posts on the fall of Lord North's administration in March 1782, he moved back into his house in Piccadilly and his place in parliament, rising to full General and retiring from parliament in 1783.