I am posting a photo from an article in ‘Vietnam’ magazine, Summer 2023, p54. The radio just to left of the chopper nose, what is it?
The antenna is “fatter” than a PRC-25 antenna, isn’t it? Couldn’t be something like an MAY, could it?

Also: Cessna O-2 Skymaster has a wire antenna from ( looks like ) cockpit to left side tail. What radio would that be for, an HF radio ?

and: The crew on something like Ontos M50, which i think was a more specialized job, were those crew also draftees or enlisted?

( I don’t know how quickly you could train people to operate such armored vehicle. )

thanks-

Hue Miller