So my cousin inherited this flag from her grandfather on her mothers side, Francis Atherton. We know little to nothing about it since he wouldn't talk about the war.
This is the flag: http://imgur.com/a/Wze6G
Anything anyone can find on this would be greatly appreciated. I'll try to answer any questions best I can.
The yellow one that says "Deutsche Wehrmacht" is an armband, a "Nicht-Wehrmachtangehörige Ärmelbinde" meant to identify non-military personnel (civilians) serving various duties for the Wehrmacht.
I'm not entirely sure what the bottom one is supposed to be, however.
The patch on the banner under it with "REC CMD" has the 12th Corps patch of the US Army