Unit cohesion

“When I was bleeding to death in my Black Hawk helicopter after I was shot down, I didn't care if the American troops risking their lives to help save me were gay, straight, transgender, black, white or brown.”

“An official policy statement issued in 1940 by the War Department (predecessor of the Defense Department) said that intermingling the races would "produce situations destructive to morale and detrimental to the preparation for national defense."”