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EDINBURG, Texas (CBS Houston) – A K-9 was honored in his last moments of life by the Hidalgo County Sheriff’s Office.

Surrounded by his family, Argo received was put to sleep on October 10th after an emotional “last call” over the radio.

The 9-year-old German Shepherd had been diagnosed with terminal bone cancer.

“Argo was given a small and private ceremony where he was honored with the traditional Last Call, given to those who pass in the line of duty,” wrote the Sheriff’s office on a heartbreaking Facebook post.

A family member recorded video of the final tribute, which has been viewed nearly 400,000 times.

The dog had served with the department since 2009 as a narcotic detection animal.

“Argo was credited with taking thousands of pounds of dangerous drugs off of our streets as well as the apprehension of many dangerous felons,” continued the Facebook post.

Argo will also be honored at the Hidalgo County Sheriff’s Office’s First Annual South Texas K9 Competition on November 10, 2015.