 Napoleon 's lightning campaign exposed the Austrian indecisive command structure and poor supply apparatus . Mack completely misread the French dispositions and scattered his forces ; as the French defeated each unit separately , the surviving Austrians withdrew toward the Ulm fortifications . Napoleon arrived to take personal command of close to 80 @,@ 000 men . At Ulm on 16 October Karl Mack surrendered his encircled army of 20 @,@ 000 infantry and 3 @,@ 273 cavalry . The officers were released on the condition that they not serve against France until formally exchanged for French officers captured by the Austrians , an agreement to which they held . 
 Napoleon <a href='null_genetive' title='1'><mark>'s</mark></a>lightning campaign exposed the Austrian indecisive command structure and poor supply apparatus . Mack completely misread the French dispositions and scattered his forces ; as the French defeated each unit separately , the surviving Austrians withdrew toward the Ulm fortifications . Napoleon arrived to take personal command of close to 80 @,@ 000 men . At Ulm on 16 October Karl Mack<a href='been_done' title='2'><mark></mark></a> surrendered his encircled army of 20 @,@ 000 infantry and 3 @,@ 273 cavalry . The officers <a href='uninflect' title='3'><mark>were</mark></a> released on the condition that they not serve against France until formally exchanged for French officers captured by the Austrians , an agreement to which they held . 
Napoleon  lightning campaign exposed da Austrian indecisive command structure and poor supply apparatus . Mack completely misread tdaFrench dispositions and scattered his forces ; as the French defeated each unit separately , thdaurviving Austrians withdrew toward the Ulm fortifications . Napoleon arrived to take personal command of close to 80 @,@ 000 men . At Ulm on 16 October Karl Mack done surrendered his encircled army of 20 @,@ 000 infantry and 3 @,@ 273 cavalry . The officers was released on thedandition that they not serve against France till formally exchanged for French officers captured by the Austrians , an agreement to which they held .