Postcard of mountain scenery on the border. Postcard of an unidentified group of cavalry soldiers at the base of the Franklin Mountains. Some of the horses appear to be malnourished because their ribs are showing. Perhaps the horses were left to graze in this field. On the right hand side of this postcard three soldiers are looking down towards the ground and appear to be searching for something.

Photograph of an army truck train transporting troops. The caravan is traveling through city neighborhoods. Army mule supply wagons can also be seen traveling along the same street.

Postcard of a Mountain Howitzer in action. This unidentified artillery team is preparing to fire the Howitzer. The man standing closest to the Howitzer is a non-commissioned officer. The soldiers ranking of Sergeant is noted by the three chevrons on the right upper arm sleeve of his uniform.

Photograph of entrenching on the Mexican Border. These infantry soldiers are digging a trench line. The soldiers are taking their turns digging out this trench.

Postcard of several U.S. Army cavalry members riding dark-colored horses next to a low, wooden fence; several of the horses are jumping over the fence. The caption in the lower-left corner says "Jumping Contest." The postcard was sent from El Paso, Texas and is addressed to "Miss G. M. Horne" in Portland, Maine. Text on the back of the postcard reads: "Dear Gertrude:- Big military tournament here next week - 5000 soldiers; and commencing Oct. 15, a full month of maneuvers by the Division of the Army on the border. All[...] here, Walter."

Photograph of soldiers breaking a horse on the border.

Photograph of a caterpillar tractor pulling heavy siege artillery on the Mexican border. According to the caption, this group of U.S. Marines is trying move a piece of siege artillery that has become stuck in the mud.

Photograph of trenches. Soldiers are wearing gloves and a lone standing soldier, with the clipboard, is wearing an Army issued trench coat. A solider with binoculars is judging the accuracy of the group’s aim.

Photograph of U.S. cavalry drilling. The group of soldiers is part of the United States First Cavalry Army Division. The 8th man in the formation is holding the Unit’s flag. The flag in this image contains the number 1 on the top part of the flag and the letter E on the lower part of the flag which would make this group of men part of Company E. This postcard is post marked September 11, 1918, Fort Leavenworth, Kansas and was mailed to J.R. Teague of Framingham, Massachusetts, 114 Hollis Avenue.

Photograph of field wireless used by U.S. Troops. Two soldiers are turning a portable, hand cranked power generator. A wire goes from the generator to a device located on the ground.

Photograph of an army caterpillar tractor pulling heavy artillery through mud. The flatbed wagon has become stuck in the mud. Marines are attempting to get the wagon out of the mud with the assistance of the tractor.

Postcard of a U.S. Army target range. These soldiers are working the back end of this target range. This postcard is postmarked 19 April 1918, Fort Bliss, Texas.

The postcard captions reads: "Firing 4.7” Gun. W. H. Horne Co. El Paso, Tex." The 4.7 inch Field Gun M1906 was designed and issued by the US Army Ordnance Department in 1906. There is no accompanying information to positively identify the troops in the postcard or the exact location of this event. The postcard is addressed to J.R. Teague, Framingham Massachusetts, 114 Hollis Av. The postcard is postmarked El Paso, Texas, February 13, 1918, 2 PM.

Photograph of the drilling cavalry on the Mexican Border. The second cavalryman from the right has his service revolver pointed in the air.

Photograph of the drilling cavalry on the Mexican Border. The second cavalryman from the right has his service revolver pointed in the air.

The postcard caption partially reads: Survivor of the Battle of Carrizal. It seems that the African American sergeant is the recent survivor of the Battle of Carrizal (Metz, Leon, Fort Bliss, page 83). The African American sergeant has three chevrons on his right uniform sleeve and appears to be one of the highest ranking men among this group of men. He is also wearing driver's goggles on his hat. There is no accompanying information given about his identity. According to feedback from a Portal user, "The unidentified soldier is almost certainly Sergeant Walter Lyons, Troop C, 10th Cavalry, born either 1883 or 1886 in Tennessee, killed while stationed at Fort Huachuca, AZ on 25 Nov 1922. He was survived by his wife Ellis Douglas Lyons and two small children (about 1 and 2 yrs of age.)" The postcard was post marked out of El Paso, Texas, February circa 1915 – 1920 and is addressed to: Mrs. C H Breslin, Union Hotel, Altoona, Pennsylvania.

Postcard of a U.S. Army airplane has the markings 48 written across its fuselage. The airplane is a Spad styled two-seater model type biplane.

Photograph of fancy riding by the U.S. Cavalry. One of the men, who has just completed the jump on an obstacle course, is carrying the banner which designates the 5th Cavalry M Company. In the distant background are the Franklin Mountains. Left of center is Sugarloaf Peak. The Cavalry competition is being held in front of the officer’s quarters in the new Fort Bliss on Lanoria Mesa.

Photograph of Rhode Island artillery at El Paso, Texas. The author of the postcard identified this group of men and equipment as being part of the Rhode Island Artillery group. The Franklin Mountains are in the background; this is part of Fort Bliss is on the Lanoria Mesa.

Photographs of soldiers marching through sand. Two dogs, in flanking positions, are following the troops.

Photograph of Ambulance Corps #2 and Field Hospital Corps #2 in Pennsylvania. This postcard is addressed to Miss India McKenzie, 5922 – 457h Avenue SE, (unknown) City. The postcard is postmarked out of Portland, Oregon, 12 July 1917.

Aerial view of Camp Cotton, El Paso, Texas. This photograph was taken south to north with the Franklin Mountains in the background. A soldier riding an Indian Motorcycle is visible in the center of the photograph.

Photograph of soldiers going into action.

Photograph of U.S. Ambulance picking up wounded soldiers on a battlefield. Three unidentified soldiers are placing a wounded soldier onto the field gurney also known as a stretcher or litter. This particular field ambulance was specially modified with supporting hooks so that it could transport up to four loaded field gurneys. The unidentified man in the dark suit and wearing the derby hat is most likely a newsman.