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| F-35B test aircraft BF-3 flies with the weapon bay doors open on Dec. 19, 2011 |
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| F-35B test aircraft BF-5 completes its first vertical landing at Naval Air Station Patuxent River, Md., on Jan 5, 2012. |
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| F-35B test aircraft BF-1 flight in short takeoff/vertical landing (STOVL) mode on Jan. 5, 2012. |
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| F-35B test aircraft BF-3 flies with the weapon bay doors open on Dec. 19, 2011. |
