Photograph of LCpl Polo Castillo, Jr., 1st Motor Transport Battalion, 1st Marine Division in Phu Bai, Vietnam. He is holding a rifle while standing in front of a tent on a military base. The handwriting on the photo reads "Polo Castillo, Jr." and "Vietnam 1968."

Photograph of LCpl Polo Castillo, 1st Motor Transport Battalion, 1st Marine Division at Gia Le Combat Base, Vietnam. Polo is posing in front of a tower of sandbags and military structures. The back of the photograph reads, "The jacket I have on is a flak jacket which protects us from shrapnel or what have you. Can you see me wearing this heavy protective jacket, rifle, helmet + so on with this heat. Gia Le Combat Base, April-68. Your Loving Fiancee, Polo Castillo."