Enlisted personnel are identified by way of their various 'E' grades ranging from E-1 to E-9. For those service branches recognizing a Warrant Officer rank, 'W' grades range from W-1 to W-5. Likewise Officers are scaled from O-1 to O-10.
China has quite a collection of natural bridges, including one that experts say has the longest span of any natural bridge in the world. The Fairy Bridge (Xianren Qiao), in southwestern China's Guangxi Zhuang Autonomous Region near the border with Vietnam, has a 400-foot span.
The Gateway Arch in St. Louis, Missouri, is a symbol of our country's growth to the West. The Arch is 630 feet wide at its base. It is as wide as it is tall. At 639 feet high,â¦ it is the tallest monument in the United States. Visitors can ride a tram to the top of the Arch. There are 1,076 stairs or about 54 flights to the top of the Arch.