English: 121st Signal Battalion Distinctive Unit Insignia.
Description/Blazon
A white fleur-de-lis superimposed on an orange Spanish castle by a gold band with the motto "TO PARON EY POIEIN."
Symbolism
The Spanish castle taken from the Spanish Campaign Medal symbolizes the organization's service in Puerto Rico during the Spanish American War and the fleur-de-lis its service in World War I. The colors white and orange are the colors of the Signal Corps. The motto is translated "Do Well The Duty That Lies Before You."
Background
The distinctive unit insignia was originally approved for the 1st Signal Company on 18 March 1930. It was amended to correct the spelling of the motto on 15 October 1930 and again on 10 October 1934. The insignia was redesignated for the 121st Signal Battalion on 8 January 1958.
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{{Information
|Description={{en|121st Signal Battalion DUI from [http://www.tioh.hqda.pentagon.mil/Sig/121SignalBattalion.htm]}}
|Source=Transferred from [http://en.wiki.x.io en.wikipedia]; Transfer was stated to be
Captions
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