On 17 November 1945 the Gillem Board finished the study and sent its report to the Chief of Staff.[6-8] In six weeks the board had questioned more than sixty witnesses, consulted a mass of documentary material, and drawn up conclusions and recommendations on the use of black troops. The board declared that its recommendations were based on two complementary principles: black Americans had a constitutional right to fight, and the Army had an obligation to make the most effective use of every soldier. But the board also took into account reports of the Army's wartime experience with black units. It referred constantly to this experience, citing the satisfactory performance of the black service units and some of the smaller black combat units, in particular the artillery and tank battalions. It also described the black infantry platoons integrated into white companies in Europe as "eminently successful." At the same time large black combat units had not been satisfactory, most often because their junior officers and noncommissioned officers lacked the ability to lead. The difficulties the Army encountered in properly placing its black troops during the war, the board decided, stemmed to some extent from inadequate staff work and improper planning. Poor staff work allowed a disproportionate number of Negroes with low test scores to be allocated to combat elements. Lack of early planning, constant reorganization and regrouping of black units, and continuous shifting of individuals from one type of training to another had confused and bewildered black troops, who sometimes doubted that the Army intended to commit them to combat at all. [Footnote 6-8: Memo, Gillem for CofS, 17 Nov 45, sub: Report of Board of General Officers on the Utilization of Negro Manpower in the Post-War Army. Unless otherwise noted this section is based on the report.]