fighters, including some females, positioned themselves along rooftops on adjacent buildings, pinning down u.s.-led forces. aircraft conducted an air strike, leading to at least 23 civilian deaths, according to an ngo. the al qaeda fighters used heavy arms, killing navy ciel, william "ryan" owens. a v-22 osprey aircraft was badly damaged, as it tried to land to rescue the wounded. special operators then took intelligence materials from the compound, including computer hard drives. >> when you look at the totality of what was gained to prevent the future loss of life here in america, and against our people and our institutions and probably throughout the world, in terms of what some of these individuals could have done, i think it is a successful operation by all standards. >> jim, sean spicer called it a successful operation. u.s. central command, they are still launching an investigation into the raid, correct? and is that standard protocol? >> reporter: well, when you lose