albreakthrough withyou back. non-drowsy allegra® for fast 5-in-1 multi-symptom relief. breakthrough allergies with allegra®. the united states has been fighting the war in afghanistan for nearly 16 years and plans are in the works to send even more american troops to the battlefield. but even before war was declared in the days right after 9/11 a small group of u.s. special forces deployed to afghanistan in a secret war against the taliban and al qaeda. the new cnn film "legion of brothers" tells their story. >> when we first walked into the country, i mean, you had the weight of the nation on your shoulders. you know, we were america's response to the most catastrophic terrorist attack on u.s. soil ever.