07 February 2018 USS Rushmore concludes exercise Iron Fist 2018 SAN DIEGO - The Whidbey Island-class dock landing ship USS Rushmore (LSD 47), with elements from 11th Marine Expeditionary Unit and the Japan Ground Self-Defense Force, concluded exercise Iron Fist 2018 off the coast of Southern California, Feb. 7.Iron Fist 2018 demonstrated more than a decade of...