Transportation Security Administration agents demonstrated Saturday how the dogs can sniff out different types of explosives. Once they do, they're trained to sit rather than attack so as not to raise suspicion or create a panic.
TSA spokeswoman Lisa Farbstein says the dogs undergo 12 weeks of training that costs about $200,000 when food, vehicles and salaries for trainers are factored in. The canines are usually Labradors or Lab mixes.
Neighboring LaGuardia and John F. Kennedy airports aren't adding any additional K-9s for the big game.
Tens of thousands of extra travelers are expected to visit the region for the Super Bowl, which is being held Sunday in New Jersey.