A professional who controls equipment to fill rocket motor cases with rocket fuel and to cure rocket fuel. Respnsibilities include:

• Attaches handling ring or sling to motor case, using handtools or portable power tools.
• Positions motor cases in casting rig (special jig), using hoist, and tightens holding clamp with wrench.
• Inserts mandrel (core) inside motor case, using hoist, and tightens clamps on casting rig to hold it in position.
• Conveys and positions casting can over rig, using hoist, and connects hose to rig.
• Moves console controls to pump fuel from casting can to motor case.
• Observes level of fuel in case through closed-circuit television and moves controls to regulate volume of fuel charge.
• Stops pump and presses hydraulic control to move mandrel into final position in motor case.
• Lifts motor case onto overhead conveyor, using hoist, and starts conveyor to move motor case into curing oven.
• Observes recording-instrument charts on control panel of curing oven to verify specified temperatures and curing times.