One-time testosterone testing of troops found that 100,691 active-duty soldiers had morning screening levels below the medical threshold.

The Defense Department is seeking a variety of information that can help in formulating standards for assessing mild traumatic brain injuries, or mTBI.

The U.S. Army’s top commander for the Western Hemisphere described American “economic supremacy” as an overarching national security goal.

Catholics serving in the U.S. Army should not participate in the firing squad execution of Fort Hood shooter Nidal Hasan, a prominent U.S. archbishop said.