| Acronym | Meaning |
 | MTEEC | Electronic Maintenance Test Equipment |
 | PIP | Plant Instrumentation Program |
 | UCPU | Urine Collection And Pretreatment Unit |
 | F/C | Fit Check |
 | COMMAND | Computer Command Engineer |
 | HAS | Hydraulic Actuation System |
 | DEU | Display Electronic(s) Unit |
 | SCRS | Serialized Control And Reporting System |
 | CECP | Compatibility Engineering Change Proposal |
 | CCD | Checkout Command Decoder |