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F-35B Hits Software, Flight Hour Milestones

F-35B Hits Software, Flight Hour Milestones
Alcoa produces the bulkheads for the F-35. Photo: Lockheed Martin.

Lockheed Martin [LMT] and the F-35 program recorded a handful of software-related milestones in August, according to a company statement. The Marine F-35B short takeoff and vertical landing (STOVL) variant aircraft BF-1 and BF-4 completed “Mode 4” formation testing Aug. 9, as required for software block 2B capability. J.D. McFarlan, Lockheed Martin vice president for F-35 test and verification, said in a statement, in Mode 4 operations, the STOVL propulsion system is engaged with the lift fan, roll-post nozzle and three-bearing…

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