The STEM technologies used in aerospace may not be as large as the universe but are much broader then the traditional view of aviation and aerospace STEM, here is one example where aerospace and medicine meet:

San Antonio's Knight Aerospace sells flying mobile biocontainment emergency room to Canada
https://www.tpr.org/technology-entrepreneurship/2022-09-27/san-antonios-knight-aerospace-sells-flying-mobile-biocontainment-emergency-room-to-canada