Pentagon officials on Friday credited the deployment of an American aircraft carrier group in waters off the coast of Yemen for a decision by Iran to turn back a naval convoy suspected of carrying weapons bound for Shiite rebels. Although it was unusual to dispatch such a large American naval force to the Arabian Sea on an interdiction and deterrence mission, Pentagon officials said the deployment — and Iran’s apparent response — had lowered tensions in the continuing regional proxy war between Tehran and Saudi Arabia. The nine-ship Iranian convoy had turned north and east near the coast of Oman, in the direction of Iran, Defense Department officials said. Col. Steven H. Warren, a Pentagon spokesman, said, “We do not know their future intentions,” but added that “it’s fair to say that, yes, this appears to be a de-escalation of some of the tensions.” Earlier this week, […]