 The retreating Taliban were identified crossing the nearby river some 1,500 meters to the west and were killed by a single 500 lb bomb delivered by air support from a United States Air Force (USAF) Boeing B-52 Stratofortress bomber.In March 2006 units of the 3/124th Infantry American Security Force (SECFOR) teams and their Afghan counterparts began the construction of FOB Wolf on a plateau over looking the Sangin green zone.The base immediately became a target for the local militants and poppy growers.