problem. now we also took the results of the ground test that general hogue and his team had run and his recommendations for dynamic airborne tests because some of the things that were occurring in the aircraft, in the incidents, happened in the air, could not be repeated on the ground, and during the what i would say is very extensive challenge tests to the life support system and particularly the onboard oxygen generation system. they believe that they needed to specially instrument f-22 and get it in the air to determine whether we could find repeats of some of the incidents that had occurred and help us get the root cause. so we took their base sick results from the ground tests and their recommendations for the flight tests, worked through those in great detail and established a flight test series of not only profiles but protocols for measuring the system we had. if you were to see the picture, over 40 censor installations on the airplane to try to understand the enti