In September 1944, the US Navy captured Ulithi Atoll and used it to support the Allied advance.
US NavyService Squadron 10 oversaw the rearming, resupplying, and repairing of Navy ships and aircraft, and otherwise supported the war effort's logistical needs.
In all, the unit had over 400 vessels, including repair ships, tankers, floating dry docks, crane ships, desalination ships, tugs, floating barracks, and floating workshops.
US NavyBy the end of the war, Ulithi was the world's largest naval facility, hosting as many as 617 vessels.
An airfield and a high school damaged by Typhoon Maysak on Falalop Island in Ulithi Atoll in December 2015.