Normally, the Detroit sector of the Coast Guard sends out a five-man team in a truck to patrol the shoreline and check ice conditions to make sure people aren't in harm's way.But on this day, just after noon, the victim was a small white dog with a distinctive black eye patch who had fallen into the river without a way out."We don't usually launch for them," explained Ensign Adeeb Ahmad, a spokesman.That meant sending one member of the crew from the Belle Isle Station — 22-year-old Petty Officer Cole Harper — out onto the thin ice near Grayhaven Island to pull the struggling dog out of the frigid water.More:Weather service tempers metro Detroit forecast, which had called for record highsMore:Shots fired at Dearborn police officer working undercover in DetroitWearing a dry suit and tethered to the rest of the team by a rope, Harper approached the dog, lifted it out of the water and held on as dog and brave rescuer were pulled back to safety."