unidentified man is captured in video claiming to be army infantryman .
he 's confronted by a young man who asks a series of questions including where he did basic training and why he 's not wearing a name badge .
the man says he did basic training in north carolina but the young man says infantry training is conducted in fort benning , georgia not miami .
eric coins , who posted the video , says the guy wore the uniform ` to pick up girls and get sympathy drinks '