When it is remembered that Rosecrans had left Chattanooga, that he had been succeeded by Thomas, and that Grant himself had arrived on the ground and assumed supreme command, before the first practical step had been taken to carry the plan into effect, and that the plan itself involved a descent and passage of the Tennessee River by night, the defeat and capture of the enemy’s outposts, the laying of a pontoon bridge across a broad and rapid river, the rebuilding of the railroad, and its maintenance within easy reach of the enemy’s front for twenty-five miles, and that all of this was done without the slightest mishap and with but little loss, and that it resulted in relieving the army from want and in putting it in condition to resume the offensive as soon as its reinforcements had arrived, some fair idea may be had of the value of General Smith’s services and the part he actually performed in all that took place.  If General Rosecrans had actually conceived and worked out all the details of the plan, which cannot be successfully claimed, there would still be enough left to the credit of General Smith to immortalize him, but when Grant, Thomas and all the other officers who were present and in position to know what was actually done gave Smith the praise, not only for conceiving it, but carrying the plan into successful effect, there is but little room left for further controversy.

If any additional testimony is needed as to the masterful part played by Smith at Chattanooga, it is found in the fact that Grant made haste to attach him to his own staff and to recommend him for promotion to the grade of major-general to take rank from the date of his original appointment, declaring in support of his recommendation that he felt “under more than ordinary obligations for the masterly manner in which he discharged the duties of his position.”  Later he recommended that Smith be put first of all the army on the list for promotion, adding:  “He is possessed of one of the clearest military heads in the army, is very practical and industrious,” and emphasized it all with the highly eulogistic declaration that “no man in the army is better qualified than he for the largest military commands.”

It is noteworthy that about the same time General Butler with whom he had served for a short season, made an application to have General Smith re-assigned to his command, but the Secretary of War, having evidently forgotten his order for Smith’s arrest at the close of the Gettysburg campaign, wrote:  “The services of William F. Smith, now Chief Engineer in the Army of the Cumberland, are indispensable in that command, and it will be impossible to assign him to your Department.”  But this was not all.  General George H. Thomas, the soul of honor and fair dealing on the 20th of November, 1863, although General Smith had already been transferred from his own to the staff of General Grant, formally recommended him for promotion in the following striking and comprehensive words: