[MRCA] Helmet radio

[DSP3]

Exclusive of the PRR/PRT radio sets, does anyone recall the radio or the 
nomenclature of a radio set that was molded into the battle helmet?  It 
had a little whip that stuck out.  The radio was sort of potted in 
Styrofoam or something? MARS had a few of them come through back in the 
60's.  Just a shot in the dark as the question came up in a ARNG forum 
today.

Jeep - K3HVG
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