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Staff Sgt. Jason Smith applies moulage makeup on a soldier to simulate a wound for an exercise at Camp Humphreys, South Korea on Aug. 22, 2014. Smith is a medical soldier with the 121st Combat Support Hospital.

Staff Sgt. Jason Smith applies moulage makeup on a soldier to simulate a wound for an exercise at Camp Humphreys, South Korea on Aug. 22, 2014. Smith is a medical soldier with the 121st Combat Support Hospital. (Armando R. Limon/Stars and Stripes)

Staff Sgt. Jason Smith applies moulage makeup on a soldier to simulate a wound for an exercise at Camp Humphreys, South Korea on Aug. 22, 2014. Smith is a medical soldier with the 121st Combat Support Hospital.

Staff Sgt. Jason Smith applies moulage makeup on a soldier to simulate a wound for an exercise at Camp Humphreys, South Korea on Aug. 22, 2014. Smith is a medical soldier with the 121st Combat Support Hospital. (Armando R. Limon/Stars and Stripes)

Soldiers with the 121st Combat Support place a soldier with simulated injuries on a gurney at Camp Humphreys, South Korea on Aug. 22, 2014. More than 30,000 troops are participating in the Ulchi Freedom Guardian exercise this month.

Soldiers with the 121st Combat Support place a soldier with simulated injuries on a gurney at Camp Humphreys, South Korea on Aug. 22, 2014. More than 30,000 troops are participating in the Ulchi Freedom Guardian exercise this month. (Armando R. Limon/Stars and Stripes)

Medical personnel with the 121st Combat Support Hospital give a peripheral venous catheter to a simulated casualty at Camp Humphreys, South Korea on Aug. 22, 2014. More than 30,000 troops are participating in the Ulchi Freedom Guardian exercise this month.

Medical personnel with the 121st Combat Support Hospital give a peripheral venous catheter to a simulated casualty at Camp Humphreys, South Korea on Aug. 22, 2014. More than 30,000 troops are participating in the Ulchi Freedom Guardian exercise this month. (Armando R. Limon/Stars and Stripes)

Medical personnel with the 121st Combat Support Hospital give a peripheral venous catheter to a simulated casualty at Camp Humphreys, South Korea on Aug. 22, 2014. More than 30,000 troops are participating in the Ulchi Freedom Guardian exercise this month.

Medical personnel with the 121st Combat Support Hospital give a peripheral venous catheter to a simulated casualty at Camp Humphreys, South Korea on Aug. 22, 2014. More than 30,000 troops are participating in the Ulchi Freedom Guardian exercise this month. (Armando R. Limon/Stars and Stripes)

Blood vials from the 121st Combat Support Hospital are shaken lightly on a machine at Camp Humphreys, South Korea on Aug. 22, 2014.

Blood vials from the 121st Combat Support Hospital are shaken lightly on a machine at Camp Humphreys, South Korea on Aug. 22, 2014. (Armando R. Limon/Stars and Stripes)

A medical doctor with the 121st Combat Support Hospital prepares for surgery on a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. The simulated injury was a ruptured spleen.

A medical doctor with the 121st Combat Support Hospital prepares for surgery on a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. The simulated injury was a ruptured spleen. (Armando R. Limon/Stars and Stripes)

1st Lt. Meridith Jacob applies antiseptic on a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. Jacob is a nurse with the 121st Combat Support Hospital.

1st Lt. Meridith Jacob applies antiseptic on a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. Jacob is a nurse with the 121st Combat Support Hospital. (Armando R. Limon/Stars and Stripes)

An intravenous solution drips for a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian.

An intravenous solution drips for a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian. (Armando R. Limon/Stars and Stripes)

A medical soldier with the 121st Combat Support Hospital changes eye bandages for a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian.

A medical soldier with the 121st Combat Support Hospital changes eye bandages for a simulated medical patient at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian. (Armando R. Limon/Stars and Stripes)

Medical personnel with the 121st Combat Support Hospital places a simulated medical patient on a bed for a CT scan at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian.

Medical personnel with the 121st Combat Support Hospital places a simulated medical patient on a bed for a CT scan at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian. (Armando R. Limon/Stars and Stripes)

1st Lt. Meridith Jacob writes medical information on a wall of the operating room at Camp Humphreys, South Korea on Aug. 22, 2014. Jacob is a nurse with the 121st Combat Support Hospital.

1st Lt. Meridith Jacob writes medical information on a wall of the operating room at Camp Humphreys, South Korea on Aug. 22, 2014. Jacob is a nurse with the 121st Combat Support Hospital. (Armando R. Limon/Stars and Stripes)

A medical technician prepares to give a simulated X-ray during a medical exercise at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian.

A medical technician prepares to give a simulated X-ray during a medical exercise at Camp Humphreys, South Korea on Aug. 22, 2014. Soldiers with the 121st Combat Support Hospital participated in a medical exercise during Ulchi Freedom Guardian. (Armando R. Limon/Stars and Stripes)

CAMP HUMPHREYS, South Korea — Soldiers of the 121st Combat Support Hospital performed emergency medical attention to simulated casualties during the Ulchi Freedom Guardian exercise at Camp Humphreys on Friday.

The causalities wore moulage to simulated wounds received during a mock helicopter collision.

The troops of the 121st CSH are part of the 30,000 U.S. troops participating during the exercise, which ends on Aug. 29.

limon.armando@stripes.com

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