The long-held tradition will be phased in starting June 2 after nearly two years of work to improve the care of the horses.

The Army will begin limited use of horse-drawn caissons for funerals at Arlington National Cemetery the week of June 2.

Percheron horses are just one example of breeds used for police work. ©Wirestock/iStock via Getty Images The number one character trait needed for a police horse is to have a calm temperament.