President Barack Obama will meet security chiefs to find out how the failed Christmas Day terror attack on a US passenger jet came so close to claiming hundreds of lives.
Mr Obama will also make a statement following the meeting when he will outline what steps will be taken to improve airline security.Changes to the systems of watchlists, meant to monitor suspects trying to fly into the US, have already been made following the alleged attempt by Umar Farouk Abdul Mutallab, an al Qaeda operative, to bring down a Detroit-bound plane.
And Secretary of State Hillary Clinton said there could be more changes to follow: "We're looking to see whether these procedures need to be changed, upgraded.
Failed bombing suspect Mutallab
Already America has increased the number of people on its 'no-fly lists' and extra security checks have been ordered on all passengers coming into the US from 14 countries designated either as state sponsors of terrorism or "of interest".
And all air passengers bound for the US will face increased random screening under new rules, the Transportation Security Administration (TSA) confirmed.
Tom Blank, former assistant head of the TSA, told Sky News: "There are no guarantees out there - if you're looking for guarantees, either don't fly or put all the planes on the ground.
"But these steps that we are seeing put in place... are to mitigate some of the risks that we have seen, that we weren't completely aware of."