The Northrop Grumman X-47B is an unmanned combat aerial vehicle (UCAV) developed for the United States Navy. It is designed for carrier-based operations and features a sleek, tailless design that enhances its stealth capabilities. The X-47B can perform various missions, including surveillance and strike operations, without a pilot on board. The aircraft made its first flight in 2011 and successfully demonstrated autonomous takeoff and landing on an aircraft carrier. The X-47B is part of the Navy's broader effort to integrate unmanned systems into its fleet, showcasing advancements in technology and operational flexibility for future military missions.