180421-N-UK248-067 PORTLAND, Ore. (April 21, 2018) Sailors and Marines assigned to the San Antonio-class amphibious transport dock ship USS Portland (LPD 27) man the rails during the ship's commissioning ceremony. Portland is the 11th San Antonio-class amphibious transport ship, second ship to honor the City of Portland, Ore. and is the third U.S. Navy ship to bear the name Portland. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kristina Young/Released)