The Attack class patrol boat HMAS ATTACK, (LCDR R. J. R. Pennock, RAN), the lead vessel of the Attack class patrol boats, was commissioned. ATTACK was laid down in Evans Deakin Yard, Brisbane, in September 1966, and launched on 8 April 1967. Mrs Lilyan Chan, (Mayoress of Darwin), performed the launching ceremony. She was transferred to the Indonesian Navy on 22 February 1985, and renamed KRI SIKUDA.