 On 20 April, a typhoon upset the group's routine by grounding Corregidor's aircraft and pitching the small destroyer escorts in the heavy seas and winds.The storm finally abated three days later, and the battered task group returned to Eniwetok.Designated Task Unit (TU) 96.6.7, "Tills" departed the Marshalls on 30 April and arrived at Ulithi on 3 May.