Department of Justice attorney Jason Manion argued to an appeals court in Washington, D.C., on Tuesday that President Donald Trump has the authority to ban people with gender dysphoria from the military and that doing so would improve military preparedness.

Three federal judges were skeptical of Defense Secretary Pete Hegseth’s order banning transgender service members from the military during oral arguments Tuesday. A three-judge panel on the U.S. Court of Appeals for the District of Columbia cast doubt on the Trump administration’s policy barring transgender servicemembers from the military,