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.
15 Things You May Not Know About the Gateway Arch. St. Louisâs glimmering Gateway Arch has a lot to brag about: At 630 feet, it's Americaâs tallest memorial, the Western Hemisphereâs tallest monument, and the worldâs tallest arch. But the tribute to Americaâs westward growth didnât rise into the Midwestern sky without overcoming a few hurdles. Here are a few facts about the Gateway Archâs bumpy road from conception to construction, and beyond. 1. ST. LOUISANS DISAPPROVED OF PLANS FOR A MONUMENT.