HISTORY's award-winning original specials explore the people, places, and events that have shaped who we are today. Whether offering in-depth perspective on ancient cultures, exploring geological wonders, or analyzing history's greatest military strategies, HISTORY specials provide an informative and entertaining look into the great stories of the world around us. The Atlantic became a killing field as German submarines took on the might of the dominant British Navy. The stealth and silent killers were able to sink 5,200 ships by war's end, and nearly brought Britain to its knees.