 At Walawbum, for example, if the Chinese 38th Division had been a little swifter and linked up with the Marauders it could have encircled the Japanese 18th Division.Not only were the Japanese driven back, but the Allies were able to use the trace of the track the Japanese had constructed to supply 18th Division, to speed their construction of the Ledo Road.In Operation Thursday the Chindits were to support Stilwell's advance by interdicting Japanese supply lines in the region of Indaw.