If fuel was contaminated, then why didn't other planes flying crash?
Sounds to me like there was a coordinated sabotage effort. If another plane crashes in the next few days, it is 100% sabotage. Whoever is doing it is trying to target top of the line 5th gen planes intentionally.
I wonder if it is an insider sabotage or some covert agent. Only country I can think of that could penetrate this deep into US military and pull off this level of coordinated sabotage is probably China as they have both the incentive and the capability to do it. What I am curious is if a Chinese agent was experimenting effectiveness of electronic warfare on these planes and tested it outside base perimeter or if a Chinese agent with knowledge of aircraft systems inside the base created some mechanical defect.