Because the image is automatically generated by a morphing program (though I don't know which), and some details didn't make it.

720? Oh wait.. because of the resolution.. and the revolutions... clever.

Not Link, Mario!

I would say that injecting a second chemical into your system could dissolve the foam, but polyurethanes are generally difficult to dissolve. Albeit this is a "we have two minutes to keep you from dying" solution, and would give a lease on life that a soldier would otherwise not have. A duct-tape fix, if you will.