Korean travelers heading to U.S. can sit back and relax knowing they now can spend less time waiting to go through immigration after a long-haul flight in a cramped seat.Just a note, since I've seen the error repeated elsewhere: Mexican nationals are also eligible to use the Global Entry kiosks as well as to avail themselves of the SENTRI program.
On Tuesday, South Korea became the third nation after the Netherlands and Canada—and the first in Asia—to sign a reciprocal agreement with the U.S. that allows low-risk, pre-registered visitors to bypass the face-to-face checkpoints and use instead automated immigration kiosks with biometric identification, available at 25 international U.S. airports.
Also, according to this article, six countries have thus far joined the program - Britain, Holland, Qatar, Austria, New Zealand and Japan – while 250,000 American citizens have registered.