On a similar note, ever notice how every single terrorist organisation suddenly has Al-Quaeda links? They make sure to point that out every time the mention one. Linked to Al-Quaeda. In contact with Bin Laden. Blah blah blah.
Looking here, well, standing thirty meters behind one of those engines at full throttle will blast the skin off your body. That grass would have been obliterated. A friend of mine was at Pearce Airbase on a cadet course when the Singaporean Marchetti crashed. Strangely enough, the impact was about the same size as the Pentagon.