President Trump is considering a military operation to extract nearly 1,000 pounds of uranium from Iran, a move that could put American forces inside the country for days or longer. The goal is to prevent Iran from making a nuclear weapon, but no decision has been made yet due to concerns over US troop safety.
Source: https://www.wsj.com/politics/national-security/trump-weighs-military-operation-to-extract-irans-uranium-37427c8b