He went on intelligence-gathering missions in Vermont and Rhode Island and, as brigadier-general, led a failed attack on Newport, Rhode Island. After the war, he returned to his businesses. Heavy debt forced him to leave Germantown and he started a salt factory on the Boston Neck in 1784.
He engaged in intelligence gathering missions in Vermont and Rhode Island, served as a brigadier-general, led an unsuccessful attack on Newport, Rhode Island, returned to his business activities after the war, left Germantown due to debt, and started a salt factory on the Boston Neck in 1784.