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Originally Posted by Abd_von_Mumit
As I learned on this forum, SSS is used specifically as "help, attacked by a submarine". So I assume the middle S (that replaced O) stands for Submarine.  |
Yes, SSS was devised during WWII and used only when the cause of the distress was a submarine torpedoing. Otherwise, the standard SOS was used.
"Save Our Souls" and any other phrase variation is a backronym.