Langley Radiology
U.S. Air Force Staff Sgt. Thomas Wright, 633rd Surgical Operations Squadron diagnostics medical sonographer, performs an ultrasound on Sara Cearnel, 633rd SGCS diagnostics medical sonographer, at Langley Air Force Base, Va., Nov. 14, 2014. During an ultrasound, a transducer is moved over parts of the body to create images from sound waves. (U.S. Air Force photo by Airman 1st Class Areca T. Wilson/Released)