New Zealand Defence Force (NZDF) on Instagram: "Wakey wakey 🌊 One of the sounds forever burned into a sailor’s memory. That sharp call you hear comes from the Boatswain’s (Bosun’s) call, a traditional signal that starts the daily routine on #NZNavy ships, just as it does across other Commonwealth navies. The whistle (also known as a Bosun’s pipe) itself dates all the way back to the 13th century, designed to cut through the roar of the sea and carry commands across a busy ship. These days, even