FORT DETRICK, Md., Oct. 30, 2008 – In most ways, Army Capt. Alex Houston is like any other Army commander. Army Capt. Alex Houston, 21st Signal Brigade Headquarters and Headquarters Company commander, talks with soldiers at Fort Detrick, Md. Houston lost his left hand in Iraq, but continues to serve. U.S. Army photo (Click photo for screen-resolution image);high-resolution image available. He comes to work here every day ready to lead and set the standard for the soldiers who work for him. He diligently performs all of his administrative duties as the 21st Signal Brigade Headquarters and Headquarters Company commander, and...