| Acronym | Meaning |
| LBNPD | Lower Body Negative Pressure Device |
| DDM | Discrete Data Management |
| NH | NNH Nominal Heig4t (Adjust Maneuver) |
| ROB | Right Outboard |
| BSI | Basic Shipping Instructions |
| PED | Pedestal |
| ORLA | OPtimum Repair Level Analysis |
| CRES | Corrosion Resistant Steel |
| PHA | Preliminary Hazard Analyses |
| HPV | High Pressure Valve |