[BillySquid]

Former Colombian soldier over here, at that time, only radio operators were trained in Morse code; regular soldiers would have a hard time to get the message.

[anigbrowl]

Thanks for the interesting correction! I imagined it would be common for all soldiers as Morse can also be used to signal with a flashlight etc..

[jacalata]

What proportion of soldiers would have learned it?

[BillySquid]

About one per squad (1/13)