A Known Traveler Number, or KTN, is issued to those who are approved for TSA PreCheck®, a program that allows travelers to access expedited security lines.2 A redress number and a Known Traveler Number can both assist with airport screening and security, but they are very different from...
Like a redress number, a Known Traveler Number is also issued by the Department of Homeland Security, and recipients must go through an application and screening process to be approved. This then grants entry to the TSA PreCheck line, which allows travelers to go through airport security...
在美联航网站订票，不需要填写证件号码。只要保证姓名、生日正确即可。这两项填写的是其他美国方面办法的...
在美联航网站订票，不需要填写证件号码。只要保证姓名、生日正确即可。这两项填写的是其他美国方面办法的...