Even their code was in code. As there was no Navajo word for aircraft, tanks,
machine guns and so on, they just repurposed existing words.
Even if you understood the language you may still not be understanding the message. I saw the PBS special too. Pretty neat stuff
2008 (or is it 2009?) Rockwood 8280SS - 2022 F-250 7.3L
Lot's of mostly Kenwood radios