Letter from the secretary of war, to the chairman of the committee on military affairs, Transmitting a Statement of the Expenditure of the Appropriation for Arming and Equipping the whole body of the Militia, for the year 1822; Also, A Statement of existing Engagements for supplying Arms, &c. Under the law for Arming the whole of the Militia of the United States; with an Estimate of the amount required by each, during the year 1823.