Maj. Kenneth Kirk, 56th Occupational Medicine Readiness Squadron bioenvironmental engineering flight commander, demonstrates the functionality of Canary equipment Jan. 14, 2020, at Luke Air Force Base, Ariz. The Canary monitors wet bulb temperature, air quality, humidity, air pressure, etc. every minute, everywhere on base. Bioenvironmental engineering’s mission is to provide reliable health risk expertise to optimize human performance and prevent adverse health effects of Airmen. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)