GEROLSTEIN, Germany – Airman 1st Class David Contreras, 606th Air Control Squadron ground radar technician, throws a softball during some downtime during exercise Eifel Thunder 2011 here May 10. The 606th ACS participated in a field exercise that tested their ability to deploy and set up a deployed radar and satellite communications site as well as everything else required to accomplish their mission. The squadron returned to Spangdahlem Air Base May 16. (U.S. Air Force photo/Senior Airman Nick Wilson)