On the 19th the Pentagon updated U.S. casualty figures for its military action against Iran since Feb. 28 to 18 dead and 757 wounded. The Defense Casualty Analysis System briefly removed four deaths and dozens of wounded from its tally before restoring them, prompting questions from media and lawmakers; the Pentagon said the removals reflected a "temporary data interruption" and that slower disclosure of casualty information during the campaign was for "security needs."