トモダチ作戦
During Operation Tomodachi, "Pecos" rendezvoused with United States Seventh Fleet flagship near Kyushu, Japan. "Blue Ridge" transferred 96 pallets of humanitarian assistance and disaster relief material to "Pecos" for delivery to the Essex Amphibious Group and Carrier Strike Group 5. Weighing as much as each, the pallets contained water containers and water purification tablets, first-aid products, tarpaulins, blankets, and other supplies. The ship arrived off Sendai on 25 March for more underway replenishment operations. During her support effort to Operation Tomodachi, "Pecos" completed nine underway replenishments and delivered more than of fuel to other supporting ships. "Pecos" helped refuel and in 2016.