You know it’s a distress signal, but what does “SOS” actually stand for ... The U.S. Navy used “NC,” which was the maritime ...

SOS (pronounced as the letters S-O-S ... seagoing ships had created ways to visually signal when they were in distress by using flags, flares, bells and foghorns. But the invention of radio ...

In 1912 the wireless operators aboard the "Titanic," Harold Bride and Jack Phillips, called for help using both SOS and CQD distress signals. After the sinking of the "Titanic," the United ...

But they said they had seen photographs showing the distress signal taken at the time the pair ran into trouble. "We can see from the photo that it's the same location and the same SOS," Senior ...