The first week of the U.S.' war with Iran cost around $11.3 billion, military officials told members of Congress in a briefing this week, according to sources familiar with the meeting. That figure is a low-end estimate and does not include the build-up costs of moving assets into place ahead of the operation's start on Feb. 28. The war was preceded by a monthslong military buildup, with two U.S. aircraft carriers and their escort ships shifted to the Middle East.  The estimate was first