WASHINGTON — U.S. Defense Secretary Lloyd Austin has ordered a guided missile submarine to the Middle East and is telling the USS Abraham Lincoln aircraft carrier strike group to sail more quickly to the area, the Defense Department said Sunday. [time-brightcove not-tgx=”true”] The moves come as the U.S. and other allies push for Israel and Hamas to achieve a cease-fire agreement that could help calm soaring tensions in the region following the assassination of Hamas political leader Ismail Haniyeh in Tehran and a senior Hezbollah commander in Beirut. Read More: What Haniyeh’s Assassination Means for a Gaza Ceasefire Officials have been on the lookout for retaliatory strikes by both Iran and Hezbollah for the killings, and the U.S.