20. USS Zumwalt DDG 1000
Considered to be one of the largest aircraft carriers and destroyers in the world, the USS Zumwalt DDG-1000 is a guided missile destroyer that is sure to impress. Designed to offer naval gunfire support, it cost up to $4.5 billion to build. While most destroyers are designed to help in deep-water combat missions, the Zumwalt can also assist with forced on land. In fact, it can hit a target as far as 83-miles away.