Washington, D.C. Pentagon, large five-sided building in Arlington county, Virginia, near Washington, D.C., that serves as the headquarters of the U.S. Department of Defense, including all three military servicesâArmy, Navy, and Air Force.
Located in the J Star Cluster, the Quad Planetary System (the Quad) takes its name from the four inhabited bodies that comprise it: the dwarf planet Qresh and its three moons, Arkyn, Westerley, and Leith. These four worlds represent a politically, economically, and legally entwined planetary unit.
Previous editions of the OS X operating system each had a separate code name of their own. The very first build was known as Cheetah.. Other monikers included Puma, Jaguar, Panther, Tiger, Snow Leopard and Lion. In June 2014, Apple released a beta for OS X 10, otherwise known as Yosemite..