Final farewell to Marine dog

U.S. Marine veteran Lance Cpl. Jeff DeYoung and Cena a 10-year-old black lab who was a military service dog ride away for his last ride before being put down aboard the LST 393 in downtown Muskegon, Mich., on Wednesday, July 26, 2017.

People say their goodbyes to Cena a 10-year-old black lab who was a military service dog before they leave for his last ride at the LST 393 in Muskegon, Mich., on Wednesday, July 26, 2017.

U.S. Marine veteran Lance Cpl. Jeff DeYoung and Cena a 10-year-old black lab who was a military service dog ride away for his last ride before being put down aboard the LST 393 in downtown Muskegon, Mich., on Wednesday, July 26, 2017.

Paige Alfred gives a kiss to Cena a 10-year-old black lab who was a military service dog before they leave for his last ride at the LST 393 in downtown Muskegon, Mich., on Wednesday, July 26, 2017.

U.S. Marine veteran Lance Cpl. Jeff DeYoung carries Cena a 10-year-old black lab who was a military service dog, aboard the LST 393 where he was put down on Wednesday, July 26, 2017 in Muskegon, Mich.

U.S. Marine veteran Lance Cpl. Jeff DeYoung carries Cena a 10-year-old black lab who was a military service dog, off the LST 393 where he was put down in downtown Muskegon, Mich., on Wednesday, July 26, 2017.