Related by context. Frequent words. (Click for all words.) 60 X ray machines 59 baggage handling 55 TSA 54 checked baggage 51 body scanners 51 screeners 50 airports 49 pat downs 49 TSA screeners 48 scanners 48 metal detectors 48 bomb sniffing dogs 47 X ray machine 47 Smiths Detection 46 radiation detectors 46 luggage 46 airport screeners 44 airport 44 homeland security 43 Scanners 43 US VISIT 43 metal detector 43 Homeland Security 43 screening 42 Border Protection 42 Registered Traveler 42 airside 42 Screeners 42 seaports 42 OSI Systems 41 biometric identification 41 baggage 41 mass transit 41 liquid explosives 41 air marshals 41 scanning 40 Sky Harbor 40 Hartsfield Jackson 40 International Airport 40 frisking 40 self checkout 40 millimeter wave 40 security 40 checked luggage 40 SBInet 39 biometrics 39 underwear bomber 39 fingerprinting 39 taxiways 39 fingerprint identification 39 screener 39 CBP 39 surveillance 39 detectors 39 Terminal 38 e ticketing 38 Biometric 38 Baggage 38 iris recognition 38 busiest airports 38 TWIC 38 Biometrics 38 Chertoff 38 carry ons 37 scanner 37 biometric 37 cargo 37 passenger 37 x ray 37 LAX 37 Screening 37 drug sniffing dogs 37 Homeland Security DHS 37 taxiway 36 X ray 36 counter terrorism 36 Secure Flight 36 biometric passports 36 Ben Gurion Airport 36 detection 36 facial recognition 36 frisked 36 cargo containers 36 antiterrorism 36 E Verify 36 decontamination 36 Federal Aviation Administration 36 border crossings 36 Border Patrol 36 Border Patrol agents 35 Airport 35 counterterrorism 35 unmanned aerial 35 Airports 35 deicing 35 terminals 35 ticketing 35 frisk 35 Sea Tac Airport 35 Detroit bound airliner 35 Sea Tac