Agricultural specialty dog Calan rests on the floor as U.S. Customs and Border Protection, Office of Field Operations, Agriculture Specialist Kristi Currier talks to lawmakers during testimony before the House Homeland Security Oversight and Management Efficiency Subcommittee in a hearing on "critical canine contributions to the DHS mission" in Washington, D.C., May 18, 2017.
U.S. Customs and Border Protection Photo by Glenn Fawcett. Original public domain image from Flickr