http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170114097528&ru=http%3A%2F%2Fsearch.ebay.com%3A80%2Fsearch%2Fsearch.dll%3Ffrom%3DR40%26_trksid%3Dm37%26satitle%3D170114097528%26category0%3D%26fvi%3D1
Gilles sent me a link on this, SUPERB M51 US FIELD JACKET - KOREAN WAR ALL PATCHES XL - It has the 36th's Seahorse patch. Very cool.
Looks like they were attached to the Custermen
Good stuff heavier then the jacket's fom the 80's