U.S. service members display protest signs during a historical reenactment at the Martin Luther King Jr. holiday observance at Kandahar Airfield, Afghanistan on Jan. 21. The signs were created by members of Joint Sustainment Command – Afghanistan and the 43rd Sustainment Brigade. The annual event was widely attended by service members and civilians from numerous nations and featured live music, inspirational quotations, a musical tribute to Louis Armstrong and traditional food sampling.