Readiness exercise response
During a base readiness exercise, Brent Nagele, 66th Civil Engineering Division Emergency Management team member, obtains a sample of an unknown substance in the back of a vehicle at the Vandenberg Gate, March 18. Throughout the week, Hanscom AFB evaluated its readiness and emergency response during the first of two major exercises for calendar year 2015. (U.S. Air Force photo by Jerry Saslav)