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Should you see a distress signal, immediate and positive action should be taken.

Throwback Thursday: Six Visual Distress Signals

NASA Received An SOS Call From Another Galaxy ? NASA detected, intercepted, and decoded a mathematically-based distress signal from a purportedly doomed planetoid outside our own galaxy. The 80,000-year-old SOS was received and digitally recorded in late January 1998.

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Paines Wessex Para Red Rocket Mk 3 long range red parachute distress signal

Paines Wessex Para Red Rocket Mk 3 long range red parachute distress signal

Distress Signal SOS First Heard at Hatteras, 1909

Distress Signal SOS First Heard at Hatteras, 1909 | This Day in North Carolina History

How To: Distress Signal Activated! Whistle to Find Your Misplaced Android Phone or Tablet Faster

Distress Signal Activated! Whistle to Find Your Misplaced Android Phone or Tablet Faster « Samsung Galaxy S5

How Did SOS Become the Universal Distress Signal?

How Did SOS Become the Universal Distress Signal?: Ragged businessman on beach with 'S.O.S.' made from rocks and shells