The U.S. Navy features some of the most cutting-edge ships on the planet, and behind-the-scenes access reveals how hi-tech engineering and the latest science makes such a formidable fleet possible. This is a mashup of S03E08, "U.S. Navy's Super Ship" (Littoral Combat Ship) and S05E07, "U.S. Navy's Aircraft Carrier" (Ford-class).

The world's tallest and most advanced bridges were built with cutting-edge innovative technology, and behind-the-scenes access reveals how these colossal structures are built. This is a mashup of S02E02, "World's Tallest Bridge" (Millau Viaduct) and S05E09, "Himalayan Mega Train" (Qinghai-Tibet Railway).