I love hippies! I love everything about them; clothes,long hair, guitar, headbands, caravans, prints, maxi dresses, to name some basic few.
Military is like a major trend currently(thanks to Balmain), with tailored pants, padded/studded shoulders, khakhis, camouflage, clean out of the many fews.
So if you add up both, it leads to instant craziness. Found this insanely awesome shoot which blends hippie chic with militarism. Check it out: