Commentary Following the Jan. 6 attack on the U.S. Capitol building, Defense Secretary Lloyd Austin has ordered a “stand-down” by all military units to give commanders time to address “extremism” in their ranks. He ordered military leaders to discuss “the importance of our oath of office; a description of impermissible behaviors; and procedures for reporting suspected, or actual, extremist behaviors.” I agree that the attack on the Capitol Building was unlawful and a direct assault on our democracy and the individuals who committed this criminal act—some of whom were active duty and former military personnel—should be prosecuted. However, I disagree with the Secretary of Defense that our military personnel should “stand down” and be vetted for what he describes as “impermissible behaviors.” This sweeping action is unprecedented, not necessary, and dangerous. Pentagon Press Secretary John Kirby admitted that “the vast majority of men and women who serve in uniform and the …