| Acronym | Meaning |
 | ORNL | Oak Ridge National Laboratory |
 | ANS | Advanced Neutron Source |
 | LLWAS | Low-Level Wind Shear Alert System |
 | TDWR | Terminal Doppler Weather Radar |
 | NESDIS | National Earth Satellite Data And Information System |
 | SOI/MDI | Solar Oscillations Imager/Michelson Doppler Imager |
 | O AND A | Orbit And Altitude |
 | BAC | Boeing Airplane Company |
 | ACO | Administrative Consent Order |
 | AAM | Airborne Activity Monitor |