From the source:  Major Don Williams, S-2 1st Brigade, and…

From the source

Major Don Williams, S-2 1st Brigade, and Major Rockwell Cramer, S-3, 6-29 Field Artillery, map an NVA rocket site, during Operation MacArthur, in the Central Highlands. Official Photo by SP4 James Olmstead, 124th Signal Bn, 4th Infantry Division, 20 November 1967.