Per cent of total Number production Produced 3,227 100 Floated 1,885 58 Received at French ports (_a_) 1,185 37 Assembled overseas 1,025 32 Put into service overseas 983 30 Put into service at front 628 19 In commission at front (_b_) 457 14 (_a_) To November 1, 1918. (_b_) November 3, 1918. Value of contracts cancelled and suspended exceed $480,000,000. The following is a summary of the value of cancellations and suspensions of contracts to March 19, 1919: Per cent Value of total Engines and spare parts $250,409,982 52 Airplanes and spare parts 167,554,386 35 Chemicals and chemical plants 19,852,370 4 Instruments and accessories 13,832,902 3 Balloons and supplies 10,071,035 2 Fabrics, lumber and metals 7,968,324 2 Miscellaneous 11,041,132 2 ———————— Total $480,730,131 THE SIXTY-FOUR AMERICAN ACES The following official list gives the status of the sixty-four American aces—that is, aviators who had each downed five or more enemies by the time hostilities ceased: Captain Edward V. Rickenbacker of Columbus, Ohio, famous as an automobile driver, was the premier “Ace” of the American air force in France, having twenty-six enemy planes to his credit. First Lieutenant Frank Luke, Jr., of Phœnix, Ariz., who was killed in action May 19, 1918, was second on the list of “Aces,” with eighteen victories to his credit, and Major Victor Raoul Lufbery of Wallingford, Conn., also killed in action May 19, 1918, was third, with seventeen victories. Before joining the American Army, Major Lufbery was a member of the Lafayette Escadrille. Captain Reed G. Landis of Chicago, son of Judge Landis, and First Lieutenant David E. Putnam, of Brookline, Mass., who was killed in action, had twelve victories each. The other “Aces,” with the number of victories credited to each, follow: First Lieutenant Fields Kinley, Gravette, Ark., 10. First Lieutenant G. A. Vaughn, Jr., 341 Washington Avenue, Brooklyn, 10. First Lieutenant J. M. Swaab, Philadelphia, 10. First Lieutenant T. G. Cassady, 9. First Lieutenant C. E. Wright, Cambridge, Mass., 9. First Lieutenant W. P. Erwin, Chicago, 9. Captain E. W. Springs, Lancaster, Penn., 9. First Lieutenant H. R. Clay, Jr., Fort Worth, Texas, 8. Major J. A. Meissner, 45 Lenox Road, Brooklyn, N. Y., 8. Captain Hamilton Coolidge (deceased), Boston, Mass., 8. Captain G. De F. Larner, Washington, D. C., 8.