 Complete the following phrase:  At the height of the French and Indian War the General Court of Connecticut appointed Doolittle Armourer or Armorer of the Connecticut Militia: in 1755, he served on the General Staff under General William Johnson from June 9 to August 6 and from September 10 to December 6, supporting Connecticuts war effort. He was again appointed Armorer in 1758, this time for Connecticuts Fourth Regiment under Colonel David Wooster. As armorer he gained some experience in gunpowder production, which would prove vitally important to the Patriot war effort during the American Revolutionary War twenty years later. He designed an innovative nested bateau or lake boat for the 1755 amphibious attack on Fort Carillion and saw the construction of the Land Tortoise, a floating gunboat, skills he would use two decades later in the American Revolution. He also gained firsthand knowledge of British leadership incompetence in the disastrous 