This info comes from dvids “Soldiers with the 1st Air Cavalry Brigade, 1st Cavalry Division march during the brigades 9/11 commemoration foot march at Fort Hood, Texas. Thousands of soldiers participated in the six mile march, which was held to honor those who lost their lives that fateful day 13 years ago, as well as to pay tribute to those brave troopers who have since sacrificed for the nation’s freedom.”