onboard flights and passengers will see additional screening of shoes and electronics. they'll see additional screening for explosive residue and those swab machines you are now familiar with and you'll see additional screening at gates sometimes on flights in addition to the screening you go through just after check-in they might look at your bag again and swab you again and i am told that this is about aqap and them always refining bombs that get past security and fewer metal parts and less explosive residue and that's the real thing behind these threats. >> very scary. >> we want to get more now from the former security director for tel aviv international airport and he's the president of new age security solutions. you hear about these -- these new concerns, rafi, these new really guidelines. what do you make of this? >> well, the concerns are new, but the capability or capacity of terrorists to produce bombs