i'm so pleased dr. otto is here. when we take a look at airport security, we talked to director -- or secretary jeh johnson. always on his mind is threat in materials of air, airlines and airline safety. a canine unit can be an effective unit in keeping our nation safe and air traffic safe as well. again, i'm really looking forward to this hearing. looking forward to the testimony. i want to thank the witnesses for coming and your thoughtful testimony. for that, we'll turn it over to senator carper. >> thank, chairman. thanks for bringing us all together. i think most of us in the room probably had a dog or two in our lives and chairman mentioned he once had a beagle, a plump beagle i think he said. reminds me when i was a little boy, until i was 12 or 13, we had jack and jill. husband and wife team of beagles and they were great rabbit dogs. they chased a lot of rabbits. they were not plump. and they were in great shape. it sort of, like, reminds me of the joy we had with all of them using their noses to find not cu