article_snippet.sent: By having American sea power in the region, we preserve we options.'
article_snippet.sent: Nine combat vessels were among 12 US ships in the region stretching from the Red Sea to the Gulf of Aden and the Arabian Sea.
article_snippet.sent: Three resupply ships are in the area to support combat vessels.
article_snippet.sent: Pentagon spokesman Colonel Steven Warren added: 'Three resupply ships are operating in the Arabian Sea and the Gulf of Aden Aden with the very clear mission to ensure that shipping lanes remain open, to ensure there's freedom of navigation through those critical waterways and to ensure there's maritime security.'
article_snippet.sent: Nine combat vessels are among 12 US ships in the region stretching from the Arabian Sea to the Gulf of Aden and the Arabian Sea .