PRESIDENT ROOSEVELT HONORS AMERICA'S UNKNOWN SOLDIER ON ARMISTICE DAY. WASHINGTON, D.C. NOVEMBER 11. PRESIDENT ROOSEVELT LED THE NATION TODAY IN OBSERVING THE 21ST ANNIVERSARY OF THE SIGNING OF THE ARMISTICE BY JOURNEYING TO THE TOMB OF AMERICA'S UNKNOWN SOLDIER WHERE HE HAD A WREATH PLACED BY HIS NAVAL AIDE AND THEN STOOD FOR A MINUTE OF SILENT PRAYER. CAPT. DANIEL J. CALLAGHAN, PRESIDENTIAL AIDE, IS SHOWN PLACING THE WREATH WHILE WITH THE PRESIDENT IS BRIG. GEN. EDWIN M. WATSON, WHITE HOUSE SECRETARY. TO THE LEFT IN THE PICTURE CAN BE SEEN SECRETARY OF WAR HARRY WOODRING AND ACTING SECRETARY OF NAVY CHARLES EDISON