U.S. Army Spc. Juan Hernandez, Jr., McDonald Army Medical Center U.S. Army Medical Activity medical laboratory technician, draws a blood sample from a patient at Joint Base Langley-Eustis, Va., June 26, 2017. T More
U.S. Army Spc. Juan Hernandez, Jr., McDonald Army Medical Center U.S. Army Medical Activity medical laboratory technician, prepares to draw a blood sample from a patient at Joint Base Langley-Eustis, Va., June More
U.S. Air Force Airman 1st Class Julia Maldonado, 633rd Medical Support Squadron Laboratory medical laboratory technician, tests a blood sample at Joint Base Langley-Eustis, Va., June 26, 2017. In order to ensur More
U.S. Air Force Airman 1st Class Julia Maldonado, 633rd Medical Support Squadron Laboratory medical laboratory technician, tests a blood sample at Joint Base Langley-Eustis, Va., June 26, 2017. Lab technicians c More
U.S. Air Force Staff Sgt. Mari Crespo, 633rd Medical Support Squadron Laboratory medical laboratory technician, conducts tests on a blood bank unit at Joint Base Langley-Eustis, Va., June 26, 2017. Blood units More
U.S. Air Force Senior Airman Ariel Pestanas, 633rd Medical Support Squadron Laboratory medical laboratory technician, prepares to draw blood from a patient at Joint Base Langley-Eustis, Va., June 26, 2017. Pati More