MISAWA AIR BASE, Japan – Tech. Sgt. Vanessa Cifuentes, 673rd Aerospace Medicine Squadron, bioenvironmental technician, scans filter paper removed from a high-volume air sampler at Misawa Air Base April 29. Bioenvironmental engineers have found no significant traces of radiation since the March 11 earthquake. Sergeant Cifuentes is augmenting the 35th AMDS and she is from Joint Base Elmendorf-Richardson, Alaska. (U.S. Air Force photo/Tech. Sgt. Phillip Butterfield)