John Patrick O'Brien was assigned to the 5th Marine Division CO G, 3RDBN, 26THMARS, 5THMARDIV, FMF.
John received the Purple Heart (PH) while serving during World War II
The contained information on John Patrick O'Brien is gathered and extracted from military records from a variety of sources. This material in no way represents this serviceman's complete military record; we welcome additional material. If you can help add to John O'Brien's military record please contact us. This can include award citations and photos.
CO G, 3RDBN, 26THMARS, 5THMARDIV, FMF
World War II, 1941-1945
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