The RAAF used napalm head rockets in Korea from 77Sqn Meteors..
From AWM source:
Wg Cdr John Campbell Smith MBE talks about: his training as, and the duties of an armament officer; his joining the RAAF Reserve after the Second World War and being called up for service at RAAF Base Williamtown and then in Japan and Korea; the CO of No. 77 Squadron defining the need for a napalm rocket and Smith’s inventing one whilst at Williamtown; rocket testing in Australia, Japan and Korea; napalm rocket production in Japan; use of napalm rockets and North Korean reactions to them; patenting his invention despite Commonwealth objections; his short service commission not being renewed in 1954 because of his conflict with senior officers over his patent; other armament problems encountered by No. 77 Squadron pilots; his flying occasional missions; Meteors, Mig-15s and Sabres; how napalm rockets saved Seoul; his being deprived of the highest South Korean award as only British awards could be accepted; his presentation of the MBE by the Queen; solving the problem of cannon stoppages; No.77 Squadron efficiency and morale; working from an American base during winter; a comparison of Australian and American contributions to the Korean war: why the Americans could not win the war without nuclear weapons, and his posting from Williamtown to Japan and the effects on his family.