| Acronym | Meaning |
 | MET | Master Events Timer |
 | LCS | LauList Of Command Signals |
 | FBS | Firefighters Breathing System |
 | MTBF | Mean Time Between Failure |
 | ASRS | Automated Support Requirements System |
 | MSOCC | Multisatellite Operations Control Center |
 | IPS | Ips International Pipe Standard |
 | UP | Upper |
 | PCM | Pulse Code Modulation |
 | MTEM | Maintenance Test Equipment Module |