BAGHDAD - US soldiers killed five suspected militants on Wednesday in a raid on a bomb-making factory north of Baghdad that was later destroyed in an air strike, the US military said. The military said the operation near Taji, 20 km (9 miles) north of Baghdad, uncovered a number of 50-gallon barrels of explosive material.”As ground forces entered the target buildings, they encountered several armed men. Coalition Forces used self- defence measures, killing five terrorists and detaining three suspected terrorists,” the military said in a statement. ”Coalition Forces conducted an air strike to destroy the explosives factory, associated vehicles, ammunition and weapons.”