WASHINGTON   Recent US strikes on three key Iranian nuclear facilities met their objectives, Pentagon officials said Thursday, but stopped short of confirming whether the sites were completely destroyed, noting that the Battle Damage Assessment (BDA) is still pending. Officials from the Defense Threat Reduction Agency (DTRA) held a phone panel discussion on the June 21 strikes on the Fordo, Natanz and Isfahan nuclear sites. "We have received initial assessments, and the more completed