The Iran war is nearing the three-week mark as about 2,200 more U.S. Marines and three more warships are headed toward the region, two U.S. officials say.
The Trump administration has been strategizing methods and options to secure or extract Iran's nuclear materials, according to multiple sources, as the military campaign against Tehran enters a more uncertain phase.
On March 20, 2003, a coalition of U.S.-led forces invaded Iraq, marking the start of the eponymous war. Watch the full "CBS Evening News" broadcast from that day.
