Yes, members of the U.S. Armed Forces, including National Guard and Reserves, can gain membership in the TSA Pre-Check program by using their DOD ID number as a Known Traveler Number. To do this simply enter your 10-digit DOD ID (CAC) number in the Known Traveler Number box of your …

Yes, but not for long. Frontier and Spirit are the last two U.S. airlines, and both are expected to participate by the end of the year.

While the parameters of the TSA Pre-Check program allow for random times when you may not be selected, Pre-Check members should have the TSA Pre-check emblem on their boarding passes about 99% of the time.