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).
2 votes Vote for this answer. . Visit the Burj Khalifa-The Tallest Building in the World. We invite you to begin your Dubai sightseeing with Burj Khalifa, the tallest building in the world. The Burj Khalifa skyscraper is a world-class destination and the magnificent centerpiece of Downtown Dubai, Dubai's new urban masterpiece. The world's tallest building is surrounded by hotels, must-visit shopping destinations and a world of entertainment options..