What does RESS stand for?

RADAR Echo Simulation Study - or Subsystem

Radar Echo Simulation Subsystem

Radar Echo-Simulation System (SAUS)

RADAR Environmental Signal Simulator (SEWL)

Radar Environmental Simulator System (SAUS)

Radar Environment Simulator System (SAUS)

Radio Echo Simulation Study (SAUS)

Rapid Expansion of Supercritical Solution - Chemical engineering

Rapid Expansion of Supercritical Solutions (SAUS)

Recruiting Enlisted Selection System - Military (DNAB)