'Grubworm' was the US air movement of Major General Long Tian-wu’s Chinese New 14^th Division and Major General Shan Yu-feng’s New 22^nd Division of Lieutenant General Sun Li-jen’s Chinese Army in India (New 1^st Army) from Assam to China (5 December 1944/5 January 1945).

During the course of the operation, more than 25,000 Chinese troops, complete with equipment and supplies, were moved to Changyi, Kunming, Luliang and Yunnan in 1,328 sorties by air commando and troop-carrier squadrons of the USAAF’s Air Transport Command, which lost just three aircraft in the process.