Staff Sgt. Nathan Higgins, 779th Medical Group public health technician, teaches Airman 1st Class Samantha Yordy, 779th MDG public health technician, how to set mosquito traps at the base lake on Joint Base Andrews, Md., June 8, 2017. Airmen from public health set traps about twice a week. (U.S. Air Force photo by Senior Airman Mariah Haddenham)