What does ATTS stand for?

Active Torque Transfer System

Advanced Torque Transfer System

Agency Technology Transfer Staff (SAUO)

Air-Transportable Towed System (SAUS)

Amalgamated Typefounders Trade Society (DGA)

American Tax Token Society (EA)

American Time Travel Society - Defunct (EA)

Antitank Target System - Military

Army Training Target System (MCD)

Asymptotic Temporary Threshold Shift (PDAA)

Automatic Tank Target System - Military

Automatic Tape Time Selector (VLIE)

Automatic Telemetry Tracking System - NASA