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The second production model F-35B short takeoff/vertical landing (STOVL) aircraft to be delivered, BF-8, arrives at Eglin Air Force Base, Fla. on Jan. 11, 2012. BF-8 was delivered to the U.S. Marine Corps 2nd Marine Aircraft Wing's Marine Fighter/Attack Training Squadron 501 at Eglin. BF-8 followed the first production model STOVL, BF-6, which was delivered earlier the same day. (Photo: Lockheed Martin)