Watch the video above to see a K9 hero given a rousing retirement party by the NYPD. Some 1600 dogs currently serve in the U.S. military, while there are an estimated 50,000 police K9s.

Listeners who fell in love with Sufjan Stevens for his rustic Americana sound, Christian undertones or ambitious "50 states" project are in for a rude awakening with his latest album, ";The Age of ...

But what happens to K9 dogs when they retire? Keep reading, because we talked to Sara Ochoa, DVM, a small-animal and exotic veterinarian in West Monroe, Louisiana, to answer that question.

Sufjan Stevens, ‘The Age of Adz’ (Asthmatic Kitty) Written by Mikael Wood | October 2, 2010 - 4:36 pm. 7. SPIN Rating: 7 of 10 Release Date: October 12, 2010 Label: Asthmatic Kitty.