What does SPEARS stand for?

Satellite Photoelectric Analog Rectification System

Satellite Photo Electronic Analog Rectification System (IAA)

Screener Proficiency Evaluation and Report System - FAA (TAG)

Spaceborne Earth Applications Ranging System - NASA

Spill Planning Exercise and Response System - USCG (TAG)

Spears' South Carolina Equity Reports - 1842-44 - A publication (DLA)

Spears' South Carolina Law Reports - A publication (DLA)