How does this even come close to happening

[Silera]

It's estimated that it would cost about $1 million per plane to install anti-missile systems. There are about 6,800 planes in the U.S. commercial fleet.

The Bush administration has been reluctant to pursue the technology, citing the cost and noting that other security measures adopted since the Sept. 11 attacks have diminished the threat against aircraft.

So they could do it for 6.8 billion but spent 100 billion in Iraq to keep it from happening?