Soviet warships regularly sparred with Western navies during the Cold War years, conducting close-in ship-to-ship manoeuvres and pointing lasers against their foreign opponents at sea. China’s People’s Liberation Army Navy have gone one “better” – resorting to what Markus Garlauskas and Philip Yu, writing for the New Atlanticist, called “acoustic aggression” after last month directing active sonar pulses at navy divers working underwater from Australia’s ship HMAS Toowoomba. (The Lowy Institute.The Interpreter.)
