These smartphones on soldiers' chests are becoming an important tool in the US Army's plans for a high-tech fight

Aug 22, 2026 02:57 AM - 3 hours ago 2

A US Army worker looks down astatine their End User Device while holding an antenna for a drone successful the desert.

The End User Devices are attached to soldiers' chests and tally connected batteries carried connected their backs. US Army photograph by Sgt. Nathan Arellano Tlaczani

The soldiers stood astatine the separator of a building, readying to push deeper into the metropolis for the adjacent shape of the fight. Some checked their ammunition, while others mapped retired their moves connected the smartphones connected their chests.

The US Army refers to the systems Business Insider saw utilized successful this municipality training scenario as End User Devices, Samsung phones that person been stripped, ruggedized, and reprogrammed for soldiers. EUDs are location to caller applications that Army leaders expect will amended battlefield consciousness and velocity up decision-making.

The devices bespeak the Army's displacement toward commercially disposable technology. While they've been successful usage for years, they're getting updated pinch caller functions arsenic the Army continues its awesome integer transformation.

During a godforsaken exercise, Project Convergence Capstone, astatine Fort Irwin successful California past month, astir 10,000 soldiers gathered to prosecute successful simulated large-scale combat and test caller technologies, including drones, physics warfare systems, and the Army's prototype command-and-control system, known arsenic Next Generation Command and Control.

Soldiers were utilizing EUDs wrong carriers attached to their chests and powered by ample batteries successful cases connected their backs. The smart devices were loaded pinch the Android Team Awareness Kit, aliases ATAK, application, which allowed users to entree a real-time geospatial representation that showed wherever they and their friends forces were successful the section and besides unsmooth locations of imaginable force forces.

A US Army worker looks down astatine their End User Device. A motortruck is parked successful the background.

Soldiers utilized the devices to cheque locations, pass pinch 1 another, and scheme adjacent steps.  US Army photograph by Pfc. Craig Kong

Soldiers were capable to stock representation markers and photos pinch each different utilizing these devices, which they said helped them pass and make decisions much quickly.

"There's a chat characteristic connected location that they tin talk to maine and supply maine accusation and springiness maine much item that I mightiness not beryllium capable to complete the radio," Capt. Dominic Sparkling, a portion commandant wrong the 4th Infantry Division, told Business Insider.

The EUDs, for illustration elements of NGC2, tin enactment online via respective intends of connection, including satellite aliases cellular networks. Apps connected the devices besides person offline functions should soldiers suffer relationship aliases brushwood jamming.

Troops ran into connectivity problems during the exercise, sometimes because of simulated physics warfare, sometimes for different reasons. They said the problems could slow apps and accusation loading aliases time off maps short connected detail. One platoon sergeant told Business Insider that because his EUD wasn't connected to WiFi, "it wasn't moving properly."

These issues highlighted 1 of the cardinal tensions of the Army's push for a much integer force. Soldiers tin get valuable accusation done the network, which is designed to make them much effective successful a high-intensity, high-tech fight. However, they still request to beryllium prepared to conflict erstwhile the web fails. During the exercise, troops utilized beingness maps alongside their EUDs.

Soldiers said they spot the EUD arsenic an perfect measurement to enactment connected and person information, but they support physical backups for redundancy.

"Digital enables maine to get real-time, precise targeting feedback, which has been critical," Capt. Mohamed Elmaola pinch the 4th Infantry Division told Business Insider. But the "analog transcript is what I conflict and unrecorded off because this gives maine the totality of the communicative of what the force is doing, particularly successful a degraded environment," he said.

A US Army worker pulls a drone retired of its lawsuit successful the desert.

Army leaders are deciding which soldiers should get EUDs depending connected formations and duties.  US Army photograph by Sgt. Nathan Arellano Tlaczani

The Army is figuring retired who needs an EUD. The number of devices successful Army divisions varies pinch the type of statement and really soldiers are dismounted and dispersed. The 25th Infantry Division, for example, has almost 2,200 devices, while different divisions for illustration the 4th ID person fewer.

The Army utilized the recent exercise to measure the due number of EUDs for different types of divisions and really acold down the concatenation the devices should beryllium distributed. Questions stay astir who benefits the astir from having one, pinch immoderate Army officials noting that portion commanders should transportation the devices to amended facilitate activity and connection for their soldiers.

"I deliberation it's informing america a small spot astir who needs them, really acold down do they go," Lt. Gen. Michael McCurry, caput of Futures and Concept Command wrong the Army's Transformation and Training Command, told reporters astatine the exercise. "In different statement types, that mightiness beryllium different."

Army leaders spot an advantage successful exertion that is already intuitive to soldiers who usage smartphones and tablets successful their regular lives. Most younger troops, Maj. Gen. Patrick Ellis, commandant of the 4th Infantry Division, said, are "very overmuch integer natives, truthful if we tin springiness them integer devices that make them better, that really play to the strengths that they already have," past it's "super, ace powerful."

Going forward, EUDs could besides incorporated different applications, specified arsenic devices for medical and logistics operations and expanded photo and video functions.

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