RFA Wave Knight Conducting RAS Operations. Replenishment at sea (RAS) (North Atlantic Treaty Organisation/Commonwealth of Nations) or Underway replenishment (UNREP) (US Navy) is a method of transferring fuel, munitions, and stores from one ship to another while under way. 1 History 1.1 Concept.
The international non-profit organization Council on Tall Buildings and Urban Habitat (CTBUH) was formed in 1969 and announces the title of The World's Tallest Building and sets the standards by which buildings are measured. It maintains a list of the 100 tallest completed buildings in the world. The organization currently ranks Burj Khalifa in Dubai as the tallest at 828 m (2,717 ft).
The Y-shape of the building was designed to be used for both residential and hotel guests. If you want to see the world from the top of this building you can book tickets to the top. In addition to being the tallest building in the world, this structure broke many worldwide records. Other records Burj Khalifa broke in 2010 included: Tallest existing structure. Tallest structure ever built. Tallest free standing structure. Tallest skyscraper â to top of spire and top of antenna.