@ILoveCSE The link that @DrGoogle posted is the course catalog from 2006-2007. As such, many parts may be (and are completely) inaccurate and no longer true. This is the equivalent link from the current (2015-2016) catalog:
http://ucsd.edu/catalog/curric/SOE.html
All engineering majors are impacted (including Mechanical and Aerospace Engineering), as listed in this current and up-to-date list on UCSD’s website:
https://students.ucsd.edu/academics/advising/majors-minors/impacted-majors.html