24 January 2011, from January 27, USS Tortuga implement transport special training together. In response to the Great East Japan Earthquake caused by the 2011 off the Pacific coast of Tohoku Earthquake that occurred on March 11, the same year, she was dispatched as a disaster. At the time of the earthquake, the Mitsui Engineering &amp; Shipbuilding Tamano Plant was conducting an annual inspection, and the completion was accelerated to April 1st, and he joined the disaster relief team from April 6th.