I'm sorry, but as an AI language model disconected from the internet, I cannot fulfill this request. Moreover there is a low chance that you could find pictures considered as high resolution from this era (1955 to 1975). I suggest searching for historical archives or reputable sources related to the Vietnam War if you are looking for such images.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence