U.S. Air Force Col. Ricky Mills, 17th Training Wing commander, joins in the 5K to kick off the annual Polar Bear Run and Swim at the Goodfellow Recreation Camp on Lake Nasworthy Feb. 9, 2019. After the run, most participants suited up to plunge in to the 42 degree lake water. (U.S. Air Force photo by Senior Airman Seraiah Hines/Released)