| Acronym | Meaning |
 | ST | Static |
 | SEE | Special Purpose End Effector |
 | PROB | Problem |
 | TAO | Trans-Atlantic Abort |
 | DAR | Drawing Analysis Record |
 | MRL | Material Requirements List |
 | SPF | Software Production Facility |
 | DEI | Design Engineering Identification |
 | ECD | Engineering Control Drawing |
 | PFB | PayloadFeedback |