If you’re curious about What is tsa precheck in terms of eligibility and cost, the program is open to the United States. citizens, nationals, and lawful permanent residents. There is an application fee, which covers five years of membership. The process involves submitting an online application followed by an in-person appointment where applicants provide fingerprints and identification. Once approved, travelers can enjoy faster security screening for the duration of their membership. Overall, what is TSA PreCheck? It's a valuable service for frequent travelers looking to save time at the airport.