In late summer 1755, a force of colonial militia advanced up the Hudson River with the goal of capturing the French fortress of Saint Frederic on Lake Champlain. Near Lake George they were ambushed by a large force of French and Indians and suffered terrible losses. The enemy was eventually forced to retreat, allowing the colonials to claim victory even though they abandoned the campaign against Fort Saint Frederic. This remarkable plan was drawn by Samuel Blodget of Haverhill, Massachsuetts, who probably served as a sutler (supplier of food and other necessities) to the militia.