Lockheed Martin - - - Responsibilities: Inspect, test, and operate Ground Support Equipment to determine serviceability and proper operation; Diagnose mechanical and electronic circuit malfunctions using manufacturers manuals, drawings, test equipment, and publications; Remove, disassemble, repair, clean, treat for corrosion, assemble, and reinstall GSE accessories and components; Provide dispatch service for GSE and position equipment to support aircraft maintenance; Perform preventive maintenance to prevent functional breakdowns and maintain hydraulics, electrical controls, and pneumatics