Wesley Willoughby, Alpha Search and Rescue trailing handler, and his dog Ehrlich Vormund prepare to hit a 24-hour trail during a training exercise at Joint Base San Antonio-Lackland Medina Annex April 2, 2016. A 24-hour trail consists of scents from the missing person that are up to 24 hours old.

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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