Spc. Cody Lance, signal support systems specialist,headquarters and headquarters company, 62nd Medical Brigade, chains down a vehicle on a C-17 aircraft during training at McChord Airfield, Feb. 9. The medical brigade has been tasked as part of the Defense Chemical, Biological, Radiation and Nuclear Response Force. During this specialized training, the unit learned how to properly load and tie down vehicles on a C-17 aircraft and provide assistance in the event of an attack anywhere.