| Acronym | Meaning |
 | APD | Advance Planning Document |
 | HAPEX | Hydrological Atmospheric Pilot Experiment |
 | ROBIN | Falling Balloon Experiment |
 | NSRC | National Systems And Research Company |
 | FLD | First Level Destination |
 | AKP | Atmospheric Kinetics Project |
 | GAW | Global Atmospheric Watch |
 | BPI | Budget |
 | IF | In-flight |
 | ANL-E | Argonne National Laboratory-East |