What does Rass stand for?

Rassadina - Botanist in plant scientific name (HUH)

RADAR Acoustic Sounding System - National Oceanic and Atmospheric Administration

Radar Altimeter Simulation System (SAUS)

Radar Altimeter Speedometer Sounder

Radar Altimeter System Simulator (SAUS)

Radar Analysis Support System (SAUS)

RADAR Attitude Sensing System (MCD)

Radio Acoustic Sounding System

Rapid Area Supply Support - Military (AFM)

Reconnaissance Advance Sensor System (SAUS)

Register, Address, Skip and Special Chip (IAA)

Relief Association for Southern Sudan

Remote Activated Stores System (MCD)

Remote Area Services Subsidy Scheme - Australia

Research Association of Statistical Sciences (SAUS)

Rheumatoid Arthritis and Sjoegren Syndrome - Medicine (DMAA)

Rock Analysis Storage System - United States Geological Survey - Information service or system (IID)

ROSAT - Roentgen Satellite All Sky Survey

Rotating Acoustic Stereo-Scanner - Telecommunications (OA)

Ruggedized Airborne Seeker Simulator (MCD)