It feels a bit weird how the kid gets a Walkman, but Snake gets a holographic map.
A little more gameplay:
Infiltrates a few yards, tries driving a jeep, then calls for an extraction.
"And now you hear [the helicopter broadcasting] Flight of the Valkyries here. You can actually adjust this, you can choose whatever song you want on this. But if you use a really loud song, that might make you get found."
Oh yes. It's gonna get so much anachronistic shite like this: