Homeland Security Advisor Tom Bossert on Sunday said the new security measures for aviation constitute “the most comprehensive” chance to improve security since the terror attacks of September 11, 2001.

“But instead of, as Secretary [John] Kelly said, playing whack-a-mole with an underwear bomber here and a shoe bomber there and another kind of bomber on the other hand, what he'd like to do is to implement a comprehensive increase in our security posture around the world,” Bossert told ABC’s “This Week.”

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“To be honest, this is the most comprehensive opportunity for aviation security improvement since 9/11.”

Bossert’s comments come several days after the Department of Homeland Security announced the new rules for international flights, which took the place of a potential laptop ban.

The new procedures will include enhanced screenings of passengers and large electronics.