i have no intention of sending u.s. boots on the ground in these regions , " obama told people magazine , referring to yemen and somalia . "
president barack obama delivers remarks on the economy and creating jobs , in the east room of the white house in washington , in this january 8 , 2010 file photo .
petraeus , who recently returned from his visit to the arab nation , said yemen , from $ 70 million to more than $ 150 million , petraeus , head of u.s. central command , told cnn 's christiane amanpour at centcom headquarters in tampa .
tampa , florida ( cnn ) -- the u.s. troops in yemen , a country where al qaeda operatives have become an increasing threat , gen. david petraeus told cnn in an interview to be aired sunday .
the united states also will provide additional economic aid to yemen government fight terror and promote development within its borders , according to petraeus .
al shabaab , an al qaeda in the arabian peninsula , based in yemen , appears to have trained , equipped and directed the nigerian man accused of trying to blow up a u.s. airliner bound for detroit on december 25 , using explosives sewn into his underwear .