A UGM-96 Trident missile clears the water during the 20th demonstration and shakedown launch from the nuclear-powered strategic missile submarine SSBN-658, the USS Mariano G. Vallejo. It was the 45th flight of the Trident missile.

COMMENTARY: From Pope Pius XII (1939-1958) to Pope Francis, there has been a consistent, clarion call to bring an end to the madness that is the nuclear-arms race.