Letter from the secretary of war, accompanying sundry statements & reports relative to, I. The present military force of the United States. II. Measures which have been pursued to obtain proper sites for arsenals. III. Measures which have been taken to replenish the magazines with military stores. IV. Measures which have been taken for opening a trade with the Indians. V. Progress made in providing materials for the frigates, and in building them. : Published by order of the House of Representatives.