He was for a time in 1757 in command of Fort Edward, and in 1758 commanded the Connecticut forces in the expedition of General Abercrombie which resulted in the disastrous repulse at Ticonderoga. The following year he was with Lord Amherst at the capture of Crown Point and Ticonderoga and in 1760 took part in the expeditions to Oswego and Montreal. In 1762 he commanded the colonial contingent of Lord Albemarle's army in the capture of Havana.