25 years after 9/11: Air travel safer, but 'we'll never reach 100% security'
A quarter-century after the Sept. 11 attacks, airports operate under heightened security that many Americans have only ever known — and officials say perfect safety remains out of reach.
Twenty-five years after the Sept. 11 attacks, some Americans only remember flying under the tightened security measures implemented after 2001, while others recall pre-9/11 travel. Authorities and security experts say aviation is safer now, but acknowledge that achieving 100% security is impossible.