A Florida Silver Alert has been issued for James Hill.
Hill, 87, is described as having brown eyes, salt and pepper hair, standing 5-foot-9 and weighing 150 pounds.
He was last seen in the area of the 4800 block of Northwest 72nd Avenue in Miami and was last seen wearing a uniform, navy blue pants and shirt with green reflectors.
He may be traveling in a 2003 blue Ford F150 with Florida tag EURM16.
Hill is possibly in the West Palm Beach area.
Anyone with information on the whereabouts of James Hill, please contact Miami-Dade police at (305) 476-5423 or call 911.