The former USNS Swift, on lease to UAE forces was sunk in Red Sea by Houthi rebels. Link below.
http://www.themercury.com.au/news/tasmania/yemeni-forces-sink-incat-vessel-hsv2-swift-which-was-carrying-supplies-for-uae-forces/news-story/2e5023cebd3a0a6a83ac6ff077741c53