Pronounced "sigh"
The legislative authority of the Proliferation Security Initiative or PSI, which Obama signed convicted embezzler and former Malaysian PM Najib Razak to, a few weeks after the crash of MH370, specifically allows for the dissemination of disinformation as determined to be strategically necessary for the protection of civil aviation in regards to WMD's and their "transportation systems".
WMD=Guided missile=Hijacked Airliner.