Airman 1st Class Zachary Erickson goes through a checklist of preventative maintenance at Kandahar Airfield, Afghanistan, March 13, 2012. The EACS supports the enduring airpower mission through air control and data support by making sure a constant radar feed is available from various sources throughout Afghanistan. Erickson is assigned to the 73rd Expeditionary Air Control Squadron. (U.S. Air Force photo/Senior Airman Scott Saldukas)