50 YEARS OF OPERATION 5. Safely handling Cobalt 60 targets in the ATR Canal. 3 5 1. Control system to operate 1C West Loop in the ATR 2nd Basement. Individual control systems were replaced by the Loop Operating Control Station. 2. Powered Axial Locator Mechanism (PALM) for moving experiments into and out of ATR during operation. 3. ATR top with PALM equipment in place. 4. Looking through the window from ATR Control Room to the main floor. 4