F-35 Marine Model Fatigue Testing Halted Over Cracks- Bloomberg

Fatigue testing on the most
complicated version of Lockheed
Martin Corp.'s (LMT) F-35 was halted
last month after "multiple" cracks were
discovered in the fighter jet, according
to the Pentagon's testing office.

http://mobile.bloomberg.com/news/2013-01-12/f-35-marine-model-stress-testing-halted-over-cracks.html