Lawmakers are taking matters into their own hands to prevent white supremacists and other extremists from joining and remaining in the military.

Following the deadly Jan. 6 attack on the U.S. Capitol — and the subsequent revelation that nearly 1 in 5 people charged in connection with the riot have some form of military background — Congress plans to insert language into this year’s National Defense Authorization Act (NDAA) to address extremism at the Pentagon and other federal agencies.

“The attack on our Capitol was an insurrection fueled in large part by groups that espouse the same extreme white supremacists’ views – groups that actively recruit veterans and from the ranks of our military,” Rep. Anthony Brown (D-Md.) said in a statement to The Hill.

Read more: The Hill