Or, how about when your project manager (the Navy) provides incorrect specs? http://news.usni.org/2013/12/23/navys-f-35-starts-new-tailhook-tests http://news.us

Or, how about when your project manager (the Navy) provides incorrect specs? http://news.usni.org/2013/12/23/navys-f-35-starts-new-tailhook-tests http://news.usni.org/2013/12/23/navys-f-35-starts-new-tailho... Relevant portion: "Lockheed and the Joint Strike Fighter program office ultimately traced the problem back to the shape of the hook and a faulty wire dynamics model supplied by the Naval Air Systems Command. The solution was to reshape the hook point and adjust the system’s hold-down damper, which helps prevent the hook from bouncing around upon touchdown."