No. 24 Squadron moved to Bankstown, New South Wales, in July 1942 where it performed training, anti-submarine and air defence patrols using a diverse assortment of aircraft. The squadron continued in this role until May 1943 when it began converting to a dive bomber squadron equipped with Vultee Vengeance aircraft. After completing its training on the Vengeance No. 24 Squadron deployed to New Guinea in August 1943 operating from Nadzab where it provided support to Australian Army and United States Marine Corps units in New Guinea and New Britain, supporting operations on the Huon Peninsula, around Shaggy Ridge and Cape Gloucester. The squadron continued in this role until March 1944, when the Vengeance was withdrawn from operational service.