The F-35 program office has not purchased another F-35B ground article nearly a year after halting durability testing because the original test jet was no longer production representative. In May the office said it planned to purchase a second ground durability test article. However, F-35 spokesman Joe DellaVedova told Inside the Navy Jan. 26 the program is waiting for F-35 prime contractor Lockheed Martin to finish a trade study this spring before making a decision. The Pentagon's chief weapons tester...
