U.S. Defense Secretary Lloyd Austin has ordered American military ships, including an aircraft carrier, to move closer to the eastern Mediterranean in response to Hamas' attack on Israel. The move aims to strengthen the Department of Defense's regional presence and support deterrence efforts. The U.S. is also increasing the presence of Air Force fighter aircraft squadrons and airlifting munitions for potential operations against Iran. President Biden and Prime Minister Netanyahu have spoken on the phone to discuss the situation, with the U.S. expressing support for Israel and committing to assist. The U.S. is engaging in diplomatic efforts to support Israel, including sending security aid and maintaining close contact with Israeli counterparts.