In this task, a passage will be given and the goal is to generate a question about temporal relations based on that passage. A temporal relation describes the relation between two things with respect to time e.g., something happens/starts/terminates/... immediately/shortly/usually/... before/after/during/... something else.
Your question should include an event, or ask about an event, and should not be a yes/no question.
Q: Passage: And the U.S. is taking similar steps to ensure that its naval force is adequate to carry out a blockade of Iraq and support a war if necessary. Over the weekend, Pentagon officials confirmed reports that a fourth U.S. aircraft carrier -- the John F. Kennedy -- and its powerful group of support ships could head for the Middle East within a few days.
A:
What event has already finished?