Acronyms & Abbreviations.

ACS     Attitude Control System 
ADP     Acceptance Data Package 
ATV     Automated Transfer Vehicie 
COF     Columbus Orbital Facility 
COF     Control Centre 
CPD     Coarse Pointing Device 
ECLSS   Environmental Control and Life Support System 
EGSE    Electrical Ground Support Equipment 
EM      Engineering Model 
EP      EXPRESS Pallet, sometimes called the 'pallet' 
EPA     EXPRESS Pallet Adapter, sometimes called the 'adapter' 
EGSE    Electrical GSE 
EXPRESS Expedite the Processing of Experiments to Space Station 
FM      Flight Model 
FoV 	Field of View 
GSE     Ground Support Equipment 
HRDL 	High Rate Data Link 
ICD     Interface Control Document 
IDD     Interface Definition Document
IGS     Interconnected Ground Segment 
ISS 	International Space Station 
ITA 	Integrated Truss Assembly1 sometimes called the 'truss' 
ITE 	Instrument Test Equipment 
JEF 	JEM Exposure Facility 
JEM 	Japanese Experiment Module 
JSC 	Johnson Space Center 
KSC 	Kennedy Space Center 
LDEF 	Long Duration Exposure Facility  
LH 	Local Horizontal 
LV 	Local Vertical 
MBS 	Mobile Base System 
MCD 	Molecular Column Density 
MD 	Molecular Deposition 
MGSE    Mechanical GSE 
MSFC 	Marshall Space Flight Center 
MSS 	Mobile Servicing System 
MT 	Mobile Transporter 
MTM 	Mechanical and Thermal Model 
NMC 	National Mission Centre 
NSTS 	National Space Transportation System 
ORU 	Orbit Replaceable Unit 
P3 	Port Truss Section 3 
PAH 	Payload Accommodation Handbook 
PAS   	Payload Attach Structure   
PD 	Payload Developer 
PDU 	Power Distribution Unit 
PFM 	Proto-Flight Model
PI 	Principal investigator 
PIA 	Payload Interface Agreement 
PIM 	Payload Integration Manager 
POCC 	Payload Operations Control Centre 
POIC 	Payload Operations Integration Centre 
PRR 	Project Requirements Review 
PSE 	Project Requirements Review 
QM 	Qualification Model 
RCS 	Reaction Control System 
S3  	Starboard Truss Section 3  
SAA 	South Atiantic Anomaly 
SARJ 	Solar Array Rotary Joint 
SLC 	Station Logistics Carrier 
SPDM 	Special Purpose Dextrous Manipulator 
SPLC 	Standard Payload Computer 
SSCC 	Space Station Control Center 
SSRMS 	Space Station Remote Manipulator System 
STM 	Structural and Thermal Model 
TAT 	Trans Atlantic Trunk 
TDRSS	Tracking & Data Relay Satellite System 
TEA 	Torque Equilibrium Attitude 
TRRJ 	Thermal Radiator rotary Joint
TUS 	Trailing Umbilical System 
UHB 	User Home Base 
USOC 	User Support & Operations Centre 
USOS 	User Support & Operations Centre   
US 	On-orbit Segment