What does SPIDER stand for?

SEMATECH Process Induced Damage Effect Revealer (SAUS)

SIGNAAL Portable Infantry Digital Encrypted Radio (SAUS)

Smokeless Propellant in Demonstration Experimental Rocket (KSC)

Sonic Pulse-Echo Instrument Designed for Extreme Resolution (IEEE)

Spontaneous Psychophysical Incident Data Electronic Recorder (SAUS)

Systematic Planning for the Integration of Defense Engineering and Research (SAUS)