IED Detection Dog Illustration - Drawing. Public domain image.

An illustration of a U.S. Marine Corps military working dog, Crank, with Weapons Company, 1st Battalion, 2d Marine Regiment, relaxing after a long day of searching vehicles outside the main entry point (MEP) aboard Camp Leatherneck in Helmand Province, Afghanistan on July 12, 2014. All vehicles and personnel are screened and searched at the MEP before being granted access, ensuring the safety of all personnel aboard Bastion-Leatherneck Complex. (Official U.S. Marine Corps illustration by Cpl. John A. Martinez Jr. / Released)