WASHINGTON — In the wake of a terrorist bomb plot disrupted by the CIA, the U.S. advised some international airports and air carriers Tuesday about security measures for passengers traveling to the U.S.
The guidance from the Transportation Security Administration was a reminder of methods the U.S. provided to these international airports and carriers in the past six to eight months to help protect against threats from liquid explosives and explosives hidden inside a person's body or clothes or in printer cartridges. All are methods officials said al-Qaida's spinoff group in Yemen has considered for plots against the U.S, according to an American official who spoke on condition of anonymity to discuss the details of the guidance.
The CIA recently foiled a bomb plot in Yemen in which officials say a suicide bomber was to have detonated an explosive on a U.S.-bound flight.
"The seizure of this device is a reminder that our adversaries continue to be interested in targeting the aviation sector," Homeland Security spokesman Matt Chandler said Tuesday afternoon. Chandler said the government issued the guidance reminder "to underscore the importance of these ongoing measures to air carriers and foreign government partners." He said there is currently no credible or specific information about a terror threat to the U.S.
Despite the discovery of a sophisticated new al-Qaida airline bomb plot, congressional and security officials suggested there was no immediate need to change airport security procedures, which already subject many shoeless passengers to pat-downs and body scans.
The CIA, with help from a well-placed informant and foreign intelligence services, conducted a covert operation in Yemen in recent weeks that disrupted a nascent suicide plot and recovered a new bomb, U.S. officials said.
They said the bomb represented an upgrade over the underwear bomb that failed to detonate aboard a jetliner over Detroit on Christmas Day 2009. The new bomb was also designed to be used in a passenger's underwear, but this time al-Qaida developed a more refined detonation system.
FBI experts are picking apart that non-metallic device to see if it could have slipped through security and taken down an airplane.
Some passengers, meanwhile, were taking the news of the new bomb in stride.
"The terrorists will always be looking to make a bomb," said Guillaume Viard, a 26-year-old physiotherapist from Nice, France, about to board a flight to Paris at New York's John F. Kennedy Airport.
Retirees Nan and Bill Gartner, also at Kennedy Airport, were on their way to a vacation in Italy
"We were nervous — for a minute," said Nan Gartner. "But then we thought, we aren't going anywhere near Yemen, so we're OK."
Added Bill Gartner, "We hope we're right."
U.S. officials sought to reassure the public that security measures at airports are strong. They said there are no immediate plans to subject airline passengers to new security screenings.
"I think people getting on a plane today should feel confident that their intelligence services are working, day in and day out," John Brennan, the top counterterrorism adviser to President Barack Obama, said on ABC's "Good Morning America."
Just last winter, al-Qaida's Yemen branch boasted that it had obtained a supply of chemicals used to make bombs. Chemicals can eliminate the need for electrical equipment to detonate explosives.
"Hence, no wearisome measures are taken anymore to attain the needed large amount of chemicals for explosives," the group wrote in its online magazine, "Inspire."
The CIA caught wind of the bomb plot last month, officials said, speaking on condition of anonymity to discuss intelligence matters.
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