Lt. Mark Donald risked his life to treat Afghan and American soldiers in an ambush. He then ran to another ambush nearby to rescue more men.

Sean Barner’s cool head saved an apartment full of his friends from masked assailants.

When one of his soldiers went down in the middle of a firefight in Afghanistan, Sgt. 1st Class John I. Smith risked everything to ensure he made it out alive.

Pvt. Stephen Sanford was shot during a raid, but it didn’t stop him from completing the mission.

Master Sgt. Thomas Case is now one of the most decorated airman in history.

When insurgents attacked his platoon in Ramadi in ‘05, this lieutenant risked everything to ensure his Marines survived.

Army combat cameraman Spc. Michael Carter risked his life to save 40 special forces soldiers.

In 2009, an Army platoon ambushed a group of Taliban fighters in the Korengal Valley, killing all of them. Except one.

Senior Airman Mark Forester was killed leading a rescue team when he exposed himself to heavy enemy machine gun fire.

Over the course of an eight-hour battle, this Force Reconnaissance Marine shot and killed 18 Taliban fighters.

A house-clearing operation during the Second Battle of Fallujah ended in a fist fight between David Bellavia and an Iraqi insurgent.

After a suicide bomber struck their patrol, these airmen ignored their wounds putting their teammates before themselves.

Staff Sgt. Austin McCall hit back against a suicide bomber armed with two grenades, and kept fighting to complete his mission.

Marine Sgt. David Gerardi provided deadly accurate fire against insurgents in Afghanistan while rounds impacted inches from his head.

Spc. Aaron Davis ignored his own injuries from a rocket-propelled grenade to save three fellow soldiers from a Taliban attack.