March 2 (UPI) -- Operation Epic Fury's mission is to eliminate threats posed by Iran's short-range ballistic missiles and naval capabilities, Secretary of State Marco Rubio said Monday, as the Trump administration fends off criticism that the U.S. attack lacks a clear strategic objective. "I don't know what the confusion is," Rubio told reporters Monday afternoon on Capitol Hill before briefing House and Senate leaders on the mission. "The United States is conducting an operation to eliminate