After marching with his main army from Dobbs Ferry to King’s Bridge on Tuesday, November 12, Howe completed his battle plan: four commands with thirteen thousand men, including twenty Hessian regiments, would converge on Fort Washington like fingers clenching into a fist. On Thursday night, thirty flatboats rowed undetected up the Hudson’s east bank, past the citadel and into Spuyten Duyvil Creek to the Harlem River, where they prepared to load seventeen hundred assault troops.