This was taken shortly after the start (06/25/195) of the Korean War.
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“1950 Press Photo US patrol jeeps move along the Naktong River dike. This is an original press photo. South Korea — A U.S. patrol jeep moves along the dike of the Naktong River on the lookout for North Korean infiltration. First Cavalry patrols crossed the Naktong to assess damage done by a B-29 attack on Communist positions.Photo measures 9 x 7.25inches. Photo is dated 08-16-1950.”