The Houston Chapter of Active Heroes™ today announced a first-of-its-kind competition in Houston in which members of each military branch will "Stand at Attention" all day to raise donations for military families struggling with the effects of Post-Traumatic Stress Disorder (PTSD). Stand at Attention veterans representing the U.S. Air Force, Army, Coast Guard, Marines and Navy will compete against one another to stand at the all-day event for bragging rights – and to help fel