Photograph of Cpl Polo Castillo (1st Motor Transport Battalion, 1st Marine Division) on guard duty in a bunker. The bunker is located on the Gia Le Combat Base, Vietnam.

Photograph of Marine with the 1st Motor Transport Battalion, 1st Marine Division manning a 50 caliber machine gun in a bunker at Gia Le Combat Base, Vietnam.

Photograph of Cpl Polo Castillo (1st Motor Transport Battalion, 1st Marine Division) on guard duty in a bunker at Gia Le Combat Base, Vietnam.

Photograph of Cpl Polo Castillo (1st Motor Transport Battalion, 1st Marine Division) in a Jeep en route in a convoy to Da Nang, Vietnam. Castillo was stationed at Gia Le Combat Base. The back of the photograph reads," My Darling Wife, Yolanda. This was taken a few hours before we left on the convoy to Da Nang. At that time, that jeep I drive didn't have a windshield or a top. The last few hours at Gia Le. What'cha think of my little groovey hat. Ha! Love Ya Forever, Your Loving Husband, Paul Castillo. Gia Le, RVN September 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."

Photograph of Andy Anderson (seated left), Santos Arellano (standing left), Polo Castillo (standing right) of the 1st Motor Transport Battalion, 1st Marine Division. The men are posing in front of the Explosives sign at Gia Le Combat Base, Vietnam.

Photograph of Cpl Polo Castillo - 1st Motor Transport Battalion, 1st Marine Division with children in Vietnam where his battalion was searching and assisting local villages. The back of the photograph reads" November 68."

Photograph of Linda Castillo on the phone at the Castillo family home on 1308 North 6th Street, Wichita Falls, Texas. Linda was always on the phone. The edges of the photograph read "snap shots, inc." and "duo snap shots."

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 Linda Castillo leaving the Castillo family home on 1308 North 6th Street, Wichita Falls, Texas. The edges of the photograph read "snap shots, inc." and "duo snap shots."

Photograph of Daniel A. Castillo with Gloria (4) and Terry (5) in the family's home at 1308 North 6th Street, Wichita Falls, Texas.

Photograph of Linda Castillo with Gloria (4) and Terry (5) at the Castillo family home at 1308 North 6th Street, Wichita Falls, Texas.

Photograph of Daniel A. Castillo and his cousin Juan posing in the front yard of the Castillo's home on 1308 North 6th Street in Wichita Falls, Texas. A Chevy Malibu is visible in the driveway in the background.

Photograph of Billy Almanza (left), cousin Juan (center), and Daniel A. Castillo (right) posing in the Castillo house on 1308 North 6th Street in Wichita Fall, Texas. The back of the photograph has a handwritten note of "mid. R pg. 2."

Photograph of Governor George Wallace descending from an airplane, followed by a photographer, while another gentleman is standing on the lower stairs.

Photograph of Rhea Howard, publisher of the Wichita Falls Times Record News newspaper, greeting Edmund S. Muskie, govenor of Maine from 1955-59, while others are standing around.

Photograph of a Booker T. Washington and Brownwood football game in progress.

Photograph of four-track athletes jumping over hurdles at the Iowa Park Track Meet. The athlete in the foreground is wearing a jersey with the letter "H" on it, while the athlete on the left wears a "W" on his jersey.

Photograph of a large section of Governor George Wallace supporters standing at the rope, holding signs, and clapping to show their support for him.

Photograph of someone holding up a sleeping bat on a stick at Midwestern University.

Photograph of Edmund S. Muskie, Governor of Maine from 1955-59, shown with his hands raised, standing with his wife, Jane, U.S. Representative from Texas Graham Purcell, far right, and three other men.

Photograph of a small section of supporters holding up signs in support of Humphrey and Muskie.

Photograph of Eugene Locke, center, as he stands next to an aircraft talking with two gentlemen.

Photograph of a basketball game in progress between the Midwestern University Indians and Bishop College.