The 100th F-35 Lightning II, an F-35A and the first aircraft destined for Luke AFB in Glendale, Arizona, entered the last stage of final assembly at the Lockheed Martin facility in Fort Worth Texas, in late July 2013. This aircraft, designated AF-41, is scheduled to for delivery in 2014. The US Air Force recently announced its decision to increase the number of squadrons at Luke AFB to six with 144 assigned aircraft, which will make it the largest F-35 base worldwide. In addition to training US pilots, Luke will also serve as an F-35A international operator training site. As of 25 July, there are now 126 F-35s in various stages of production worldwide.
