PETERSON AIR FORCE BASE, Colo. – Doug Eckberg, United States Department of Agriculture Animal and Plant Health Inspection Service wildlife biologist, drives his truck on the flight line at Peterson Air Force Base, Colorado, as he communicates through his radio to make sure he knows what aircraft are in and out-bound and to check for any safety hazards on the flight line, June 4, 2018. Eckberg drives around Peterson AFB and the Colorado Springs Airport every day to assess different areas in the region for wildlife. (U.S. Air Force photo by Audrey Jensen)