U.S. Marine Corps Dictionary


An international distress signal used mostly with Morse code communications. Also, Shit on a Shingle, a breakfast meal consisting of creamed chipped beef served on toast. (see Mayday.)

1 Comment for this entry

  • Howard Raines

    SOS was first use on Lake Michigan from a radio man of a sinking ship. At first he sent in Morse code “Save our ship” then resorted to SOS just before he abandoned ship. It was about 1930

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DevilDogCorps.com is an unofficial online dictionary of terms and acronyms commonly used within the United States Marine Corps.