- The Oberon class submarine HMAS OVENS, (LCDR B. Nobes, RAN), was commissioned. OVENS was laid down at Scott’s Yard, Greenock, Scotland, on 17 June 1966, and launched on 4 December 1967. Lady Slim, (Wife of Viscount Slim, a former Governor General of Australia), performed the launching ceremony.
- SBLT J. M. W. Hart, RAN, of the RAN Helicopter Flight Vietnam, participated in a helicopter gunship attack on a Viet Cong troop column. Ten enemy soldiers were killed, and 25 surrendered to supporting ground troops.