To be eligible for the Master of Engineering (M.Eng.) in Mechanical and Aerospace Engineering at Rensselaer Polytechnic Institute (RPI), applicants should hold a bachelor's degree in mechanical, aerospace, or a closely related engineering field. A minimum GPA of 3.3 out of 4.0 is required. While the GRE is not mandatory, it is strongly recommended to bolster your application. The program entails 30 credit hours, including a 6-credit master's research project.