Aerospace Engineering Diploma holder candidates get careers as Aerospace Designer Checker, Aircraft Production Managers, Mechanical Design Engineers, etc. Aerospace Engineering in Diploma is a 3-year program in aviation that covers various job roles like designing, testing, manufacturing, and constructing the aircraft, spacecraft, rockets, satellite, space shuttle, etc. Aerospace Engineering is the unique field that covers all the air vehicles that fly within the earth's atmosphere and beyond the earth's atmosphere.