E3B: Strengthening Soldier readiness through challenge

By Sgt. Alexcia RupertJune 8, 2026

Soldiers Participate in Weapon Lanes During E3B Testing
U.S. Army 1st Lt. Maciver Connor, assigned to the Eighth Army, conducts the M240 immediate response to misfire during the weapon lanes of the Expert Infantryman Badge and Expert Soldier Badge (E2B) testing at Camp Casey, South Korea, May 19, 2026. This assessment reinforces the officer's technical competence in correcting automatic weapon stoppages swiftly, ensuring sustained suppressive fire and troop safety during tactical engagements. (Photo Credit: U.S. Army photo by Pfc. Jihun Park) VIEW ORIGINAL

CAMP CASEY, South Korea — U.S. Army, Korean Augmentation to the United States Army and Republic of Korea Army soldiers took part in competition for the Expert Infantryman Badge, Expert Soldier Badge and Expert Field Medical Badge — commonly referred to as E3B — Camp Casey from May 18 to June 5, 2026.

The Expert Infantryman Badge, Expert Soldier Badge and Expert Field Medical Badge each recognize excellence in different career fields while maintaining the same high standards of physical fitness, tactical proficiency and combat readiness.

The EIB is awarded to infantry Soldiers who demonstrate mastery of infantry-specific tasks and battlefield skills. The ESB is designed for non-infantry and non-medical Soldiers who excel in warrior tasks and technical proficiency across a wide range of military occupational specialties. The EFMB is awarded to medical personnel who demonstrate expert-level competency in combat medical tasks, patient care and battlefield medicine under demanding conditions.

SC Guard Soldiers earn Expert Infantry and Soldier Badge
1 / 3 Show Caption + Hide Caption – A close up photo of the Expert Soldier Badge. (Photo Credit: U.S. Army photo by Staff Sgt. Tim Andrews) VIEW ORIGINAL
SC Guard Soldiers earn Expert Infantry and Soldier Badge
2 / 3 Show Caption + Hide Caption – A close up photo of the Expert Infantryman Badge. (Photo Credit: U.S. Army photo by Staff Sgt. Tim Andrews) VIEW ORIGINAL
Expert Field Medical Badge
3 / 3 Show Caption + Hide Caption – A close up of the Expert Field Medical Badge. (Photo Credit: U.S. Army photo by Staff Sgt. Jacob Sawyer) VIEW ORIGINAL

Together, the badges represent the Army’s commitment to developing disciplined, capable and combat-ready Soldiers across the force.

Throughout the competition, candidates are tested on warrior tasks and battle drills, weapons proficiency, medical skills, land navigation, and physical endurance events. Every task must be completed to exact standards, reinforcing the discipline and attention to detail required in combat environments.

“E3B is effectively a jack-of-all-trades school,” said Sgt. Gregory Jones, assigned to 2nd Battalion, 1st Infantry Regiment, 2nd Stryker Brigade Combat Team, 7th Infantry Division. “You get to learn the fundamentals of basic soldiering, as well as combat arms tasks, weapons systems and combat lifesaver skills.”

Jones said the competition supports readiness by ensuring Soldiers can execute critical tasks to standard, building the foundation needed to perform effectively under pressure. Leaders across the event emphasized that E3B develops proficiency in the Army’s core skills while fostering the determination and discipline required to succeed in operational environments.

While E3B is traditionally a U.S. Army individual qualification event, the competition in Korea includes KATUSA and ROK Army soldiers training and competing alongside their U.S. counterparts under the same rigorous standards. The unique environment provides participants an opportunity to observe different approaches, exchange knowledge, and gain experience alongside fellow Soldiers serving on the Korean Peninsula.

“I think this is a good chance to improve your tactical skills and all the things you need to learn as an infantryman,” said Cpl. Nam Dungeun, a KATUSA Soldier competing for the EIB. “As a KATUSA, I feel really proud to be a representative of the ROK Army.”

Soldiers Participate in Medical Lanes During E3B Testing
U.S. Army Sgt. Ian Kemp, assigned to the 23rd Infantry Regiment, conducts first aid for an open head wound in a chemical, biological, radiological, and nuclear (CBRN) environment during the medical lanes of the Expert Infantryman Badge and Expert Soldier Badge (E2B) testing at Camp Casey, South Korea, May 19, 2026. The lane evaluates participants on their ability to provide lifesaving treatment while operating in contaminated and high-stress conditions. (Photo Credit: U.S. Army photo by Cpl. Tae Sung Kim) VIEW ORIGINAL

Nam said the competition exposes participants to new skills and experiences while providing valuable opportunities to learn from one another. Even beyond earning a badge, the training helps build confidence and reinforces the knowledge required to perform effectively in demanding environments.

For medical Soldiers pursuing EFMB, the competition presents a unique opportunity to validate their skills while learning to perform under demanding conditions. Candidates are evaluated on combat casualty care, medical evacuation procedures, and other critical tasks that support battlefield survival and mission success.

“I wanted to challenge myself,” said Spc. Coyle-Vega, assigned to the U.S. Army Medical Department Activity-Japan. “EFMB creates a standard that medical personnel can strive for and shows a willingness to work harder and become an example for others.”

The event reflects the Eighth Army's commitment to maintaining a highly trained and ready force on the Korean Peninsula. By testing Soldiers against demanding standards and providing a venue for U.S., KATUSA, and ROK Soldiers to train together, E3B helps develop the competence, confidence, and resilience required to succeed in complex operational environments.