Tech. Sgt. Saquadrea Crosby, 86th Aerospace Medicine Squadron public health NCOIC, gets fitted for an N95 respirator by 86th Bioenvironmental Engineering flight at Ramstein Air Base, Germany, Oct. 17, 2014. The N95 respirator is a device that is used to help prevent the spread of germs (viruses and bacteria) from one person to another. As members of the 86th Airlift Wing continue to support missions for Operation United Assistance, Airmen who are expected to interact with returnees from Ebola infected areas will be fitted for the N95 respirators. (U.S. Air Force photo by Staff Sgt. Sara Keller)