Complex sentence: HMAS "Hawk" (M-1139) was a Ton class minesweeper built as HMS "Gamston" for the Royal Navy by Richards Ironworks at Lowestoft in England, purchased by Australia in 1961 and commissioned into the Royal Australian Navy on 18 July 1962.
Split into simpler sentences: HMAS "Hawk" (M 1139) was a "Ton" class minesweeper built as HMS "Gamston" for the Royal Navy by Richards Ironworks at Lowestoft in England. The ship was purchased by Australia in 1961 and commissioned into the Royal Australian Navy on 18 July 1962.