Sgt. Maj. Ronald L. Green congratulates Maj. Robb McDonald after the ceremony honoring McDonald for his actions while deployed to Camp Bastion, Afghanistan. McDonald received the Silver Star, the nation's third-highest combat valor award, for his role in repelling an enemy attack inside Camp Bastion, Afghanistan.
Unsung Heroes
Unsung Heroes: The Harrier Pilot Who Picked Up A Rifle And Ran Into Combat
When a group of Taliban fighters launched an assault on a massive forward operating base in Afghanistan, Marine Maj. Robb McDonald, a pilot, charged into the fray
On April 29, 2015, U.S. Army Rangers Staff Sgt. James B. Jones, center, and Sgt. Derek J. Anderson, center-right, were awarded Silver Star medals for their bravery during a Dec. 2, 2014 firefight in Nangarhar province, Afghanistan.
Unsung Heroes
UNSUNG HEROES: These Rangers Killed 25 Enemy Fighters And Left No Man Behind
These Army Rangers fought through multiple enemy positions under withering fire, and went through hell to bring their men home.
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Unsung Heroes
UNSUNG HEROES: The Marine Who Rescued His Men From A Cave Full Of Snipers
Marine Sgt. Anthony Viggiani blew up a cave to save his men from insurgents.
Brig. Gen. David Petersen, Deputy Commanding General 1st Infantry Division presents Sgt. Zachary Reese, 1st Battalion, 26th Infantry Regiment, with the Silver Star.
Unsung Heroes
UNSUNG HEROES: The Soldier Who Finished An Ambush With His Knife
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 on Sep. 29, 2010. He posthumously received the Silver Star for his heroic actions.
Unsung Heroes
UNSUNG HEROES: The Airman Who Died Leading His Team In An Intense Ambush
Senior Airman Mark Forester was killed leading a rescue team when he exposed himself to heavy enemy machine gun fire.
U.S. Marine Sgt. Franklin M. Simmons, Force Reconnaissance Platoon, 13th Marine Expeditionary Unit, stands on the flight deck of the USS Boxer, while waiting to start rappelling training on July 2, 2011.
Unsung Heroes
UNSUNG HEROES: The Recon Marine Who Killed 18 Enemy Fighters In A Single Battle
Over the course of an eight-hour battle, this Force Reconnaissance Marine shot and killed 18 Taliban fighters.
Staff Sgt. David Bellavia in Fallujah, Iraq during the Second Battle of Fallujah in November 2004.
Unsung Heroes
UNSUNG HEROES: The Soldier Who Took Out A House Full Of Insurgents With His M249 And A Knife
A house-clearing operation during the Second Battle of Fallujah ended in a fist fight between David Bellavia and an Iraqi insurgent.
Lt. Gen. John F. Mullholland awards the Silver Star Medal to Master Sgt. Scott Ford of 3rd Battalion, 3rd Special Forces Group (Airborne) for his valor in Afghanistan.
Unsung Heroes
UNSUNG HEROES: 12 Green Berets Who Took On Hundreds In This Epic Afghan Battle
On April 6, 2008, 10 Special Forces commandos earned Silver Stars for one epic firefight in northeastern Afghanistan.
Staff Sgt. Cierra Rogers died after rescuing a family from a building fire in South Korea.
Unsung Heroes
UNSUNG HEROES: The Airman Who Died After Rescuing A Family From A Burning Building
Staff Sgt. Cierra Rogers died soon after leading a rescue effort that saved a mother and her three children from a building fire in South Korea.
Master Sgt. Aaron B. Frederick and Staff Sgt. Bradley D. Mock disregarded their need for medical attention to ensure the well-being, safety, and evacuation of injured Airmen after an attack on Dec. 21, 2015, near Bagram Airfield, Afghanistan.
Unsung Heroes
UNSUNG HEROES: After Suicide Ambush, Airmen Ignored Their Wounds To Save The Team
After a suicide bomber struck their patrol, these airmen ignored their wounds putting their teammates before themselves.
A U.S. armoured vehicle burns at Al Canal street, near Sadr city, Baghdad, Iraq, after a roadside bomb exploded next to a U.S. military convoy.
Unsung Heroes
UNSUNG HEROES: The PFC Who Fought His Way Out Of A Deadly Ambush And Then Went Back
When his Army Reserve unit was ambushed by 200 insurgents on the road to Baghdad, PFC Jeremy Church fought through and then returned for the wounded.
Army Staff Sgt. Richard Harris, center, was awarded the Silver Star his actions in Wardak province, Afghanistan.
Unsung Heroes
UNSUNG HEROES: To Recover A Fallen Soldier, He Attacked With A Weapon In Each Hand
Staff Sgt. Richard Harris refused to let his leader’s body be taken, so he charged the enemy — M4 in one hand and an HK 320 in the other.
Staff Sgt. Austin McCall received the Bronze Star and Purple Heart for his actions on Jan. 5, 2010.
Unsung Heroes
UNSUNG HEROES: The Ranger Who Took A Grenade To The Face And Kept Fighting
Staff Sgt. Austin McCall hit back against a suicide bomber armed with two grenades, and kept fighting to complete his mission.
Capt. Matthew D. Roland, Class of 2010 of the U.S. Air Force Academy, was killed in action in Afghanistan, Aug. 26, 2015. He posthumously received the Silver Star medal for his actions the day he died, when he acted quickly to save the lives of his teammates. (Courtesy photo/Released)
Unsung Heroes
UNSUNG HEROES: The Airman Who Gave His Life To Warn Others Of Insider Attack
Capt. Roland could have saved himself, but instead yelled, "Insider attack!" moments before being shot and killed.