 It included the position of chief signal officer with the rank of colonel, a lieutenant colonel, two majors, a captain for each corps or military department, and as many lieutenants, not to exceed eight, per corps or department as the president deemed necessary.Each officer was provided one sergeant and six privates.Myer was appointed to the position of chief signal officer and the rank of colonel by Secretary Stanton on April 29, but his appointment could not be immediately confirmed by the Senate, which was in recess.