TimeLine Key

Acronym List

AACS	Attitude and Articulation Control Subsystem

CDA	Cosmic Dust Analyzer
CDS	Command and Data Subsystem
CIRS	Composite Infrared Spectometer
C/O	Check Out

Decon	Decontamination
DSN	Deep Space Network

E	Earth Closest Approach Time
ECR	Engineering Change Request

FPW	Fields, Particles, and Waves
FSW	Flight Software

HEF	High-Efficiency DSN Station
HGA	High-Gain Antenna

ISS	Imaging Science Subsystem

L

Launch

MAG	Magnetometer
MIMI	Magnetospheric Imaging Instrument
MRO	Memory Read Out
MRR	Mission Requirements Request

P/B	Play-Back
PCO	Probe Checkout
PEM	Periodic Engineering Maintenance
PIM	Periodic Instrument Maintenance

RADAR	Cassini Radar Subsystem
RCS	Reaction Control Subsystem
RPWS	Radio and Plasma Wave Science
RSS	Radio Science Subsystem
R/T	Real-Time
RWA	Reaction Wheel Assembly

SRU	Stellar Reference Unit
SSR	Solid State Recorder
SCAS	Science Calibration Subsystem

TCA	Time of Closest Approach
TCM	Trajectory Correction Maneuver
TLM	Telemetry

U/L	Up-Link
USO	Ultra Stable Oscillator
UVIS	Ultraviolet Imaging Spectrometer

V2E	Venus 2 and Earth
VIMS	Visual and Infrared Mapping Spectrometer

W	Tungsten (Wolfram)