Nearly 100 Taliban , 1 U.S. were killed in attack on Bagram Air Base . Bagram is a heavily fortified base , its perimeter guarded by high fences and thick , concrete walls . The Taliban said 20 armed men in suicide vests stormed the base . Taliban official says insurgents did n't breach base . Militants have lobbed grenades into base in previous attacks .
Nearly 100 Taliban , 1 U.S. were killed in attack on Bagram Air Base . The Taliban said 20 armed men in suicide vests stormed the base . Taliban official says insurgents did n't breach base . Militants have lobbed grenades into base in previous attacks .