In this handout photo provided by the Yemen Defense Ministry, Yemeni army soldiers and tribesmen loyal to the army celebrate after they retook the city of Zinjibar from al-Qaida militants, in the city of Zinjibar, Yemen, Tuesday, June 12, 2012. Yemeni troops backed by armed tribesmen routed al-Qaida on Tuesday from two southern strongholds the terror network had held for more than a year, the most significant victory so far in a monthlong offensive against a local franchise that has tried time and again to bomb U.S.-bound planes. (AP Photo/Yemen Defense Ministry)

In this handout photo provided by the Yemen Defense Ministry, Yemeni army soldiers and tribesmen loyal to the army celebrate after they retook the city of Zinjibar from al-Qaida militants, in the city of Zinjibar, Yemen, Tuesday, June 12, 2012. Yemeni troops backed by armed tribesmen routed al-Qaida on Tuesday from two southern strongholds the terror network had held for more than a year, the most significant victory so far in a monthlong offensive against a local franchise that has tried time and again to bomb U.S.-bound planes. (AP Photo/Yemen Defense Ministry)