
@Lemonade...the clue to the current reasoning is in the last pic. You see 'Diego Garcia' there. Below is a writeup which is quickly becoming viral and makes a lot of sense:
Americans were withdrawing from the Afghanistan earlier, and one of their command and control system (used for controlling the pilotless drones) was hijacked by the Talibans when the American transport convoy was moving down from one of the hill top bases. The Talibans managed to ambush the convoy and killed 2 American Seal personnel, seized the equipment/weapons at the time (was reported but not publicized), and this included the command and control system which weighed about 20 tons and packed into 6 crates. This happened about a month ago in Feb 2014.
Now the Chinese are hungry for the system's technology. If they manage to get their hands on it, the american drone army becomes completely useless. The Chinese had sent 8 top defense scientists to check the system with a deal worth millions set to take place. Earlier this month, the 8 scientists and the 6 crates made their way to Malaysia, thinking that it was the best covert way to avoid detection. The cargo was kept in the Embassy under diplomatic protection. Meanwhile the American has engaged the assistance of Israeli intelligence, and together they are determined to intercept and recapture the cargo.
The Chinese calculated that it will be safe to transport it via civilian aircraft so as to avoid suspicion. After all the direct flight from KL to Beijing takes only 4 and half hours, and the American will not hijack or harm the civilian. So MH370 is the perfect carrier. Now there were 5 American and Israeli agents onboard who are familiar with Boeing operation. The 2 "Iranians" with stolen passports could be among them.
The theory is that the plane's tracking system was disabled via cockpit and the plane turned around to land in Diego Garcia to refuel. It then refueled and sent by remote control (can be done by any control tower which has the plane's code signature) further south and crashed into the ocean.
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Also, take a look at the plane's flight plan. They were headed to Beijing, north of Msia. They turned the plane around much before since they can't enter chinese airspace due to obvious reasons. Turning the plane around to head towards the Indian ocean which is South of Msia (with a US military base just close by) is a good step in getting what you want don't you think. The search area is all about the Indian ocean now.
Please don't tell me the pilot was a doofus and he didn't know where he's flying to, or Msia simply 'lost an aircraft' because they are so stupid. The captain was flying for the company for over 20 years. Highly experienced, yet, no warning signals, no nothing from the aircraft back to base. If all this doesn't point to a hijack I don't know what can.