A plume of smoke rises following reported explosions in Tehran on Sunday. Atta Kenare/AFP via Getty Images hide caption toggle caption Atta Kenare/AFP via Getty Images AMMAN, Jordan and WASHINGTON — Three U.S. service members were killed and at least five seriously wounded in the war against Iran, U.S. Central Command (CENTCOM) said Sunday — the first American casualties since the United States and Israel launched strikes on Saturday.  A U.S. official not authorized to speak publicly told NPR that the troops who were killed were ground-based forces stationed in Kuwait. The U.S. military said several other service members were returning to duty after sustaining what it called “minor shrapnel injuries and concussions.” As the U.S. military detailed the scope of its operation, ‘Epic Fury,’ Central Command said Sunday it had struck an Iranian Jamaran-class corvette, a small warship, and that the ship was sinking at a pier at an Iranian port on the Gulf of Oman. In a separate post, the military said U.S. B-2 stealth bombers, armed with 2,000-lb bombs, struck Iran’s ballistic …