Tajikistan , Uzbekistan may allow U.S. military supplies heading to Afhanistan . Comment: Its closing could deal a significant blow to the U.S. military effort there , especially following President Barack Obama 's announcement of additional troops to halt a resurgence of the country 's former Taliban rulers . The U.S. says it 's still working with the country to keep the operation open . The Manas base is used to transport key supplies and troops into Afghanistan .
Tajikistan , Uzbekistan may allow U.S. military supplies heading to Afhanistan . Comment: The U.S. says it 's still working with the country to keep the operation open . The Manas base is used to transport key supplies and troops into Afghanistan .