The amphibious transport dock ship USS San Antonio (LPD 17) and the amphibious dock landing ship USS Carter Hall (LSD 50) sail in formation during a simulated straits transit. San Antonio and Carter Hall are participating in Composite Training Unit Exercise (COMPTUEX) off the East Coast of the United States in preparation for an upcoming deployment this spring. (U.S. Navy photo by Mass Communication Specialist 1st Class Abraham Essenmacher/Released)