Pentagon leaders cite military tactics to show destruction from US attacks on Iran WASHINGTON (AP) — Pentagon leaders laid out new details Thursday about military tactics and explosives to bolster their argument that U.S. attacks had destroyed key Iranian nuclear facilities, but little more emerged on how far back the bombing had set Tehran’s atomic program. In a rare Pentagon news briefing, Defense Secretary Pete Hegseth and Gen. Dan Caine, chairman of the Joint Chiefs of Staff, worked to shift the debate from whether the nuclear targets were “obliterated,” as President Donald Trump has said, to what they portrayed as the heroism of the strikes as well as the extensive research and preparation that went into carrying them out. “You want to call it destroyed, you want to call it defeated, you want to call it obliterated — choose your word.