The 109th Infantry Regiment ("Thirteenth Pennsylvania") is an infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 of the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

, assigned to the 28th Infantry Division (Pennsylvania Army National Guard

Pennsylvania Army National Guard

The Pennsylvania Army National Guard, abbreviated PAARNG, is part of the United States Army National Guard and is based in the U.S. Commonwealth of Pennsylvania...

). Currently, the 1st Battalion/109th Infantry is a component unit of the 55th Heavy Brigade Combat Team of the 28th Infantry Division.

One soldier, Technical Sergeant Francis J. Clark

Francis J. Clark

Francis J. Clark was a United States Army soldier and a recipient of the United States military's highest decoration—the Medal of Honor—for his actions in World War II.-Biography:...

 of Company K, earned the Medal of Honor

Medal of Honor

The Medal of Honor is the highest military decoration awarded by the United States government. It is bestowed by the President, in the name of Congress, upon members of the United States Armed Forces who distinguish themselves through "conspicuous gallantry and intrepidity at the risk of his or her...

while serving with the 109th Infantry.