Complex sentence: HMAS "Barbette" (P 97) was an "Attack" class patrol boat built by Walkers Limited at Maryborough in Queensland, launched on 10 April 1968 and commissioned on 16 August 1968.
Split into simpler sentences: HMAS "Barbette" (P 97) was an "Attack" class patrol boat of the Royal Australian Navy. She was built by Walkers Limited at Maryborough in Queensland, launched on 10 April 1968 and commissioned on 16 August 1968.