CHARLOTTE, N.C., April 25, 2014 /PRNewswire/ -- UTC Aerospace Systems, a unit of United Technologies Corp. UTX, +0.37% is a lead sponsor of AirSpace Minnesota's new Aviation Learning Center (ALC), and the sole sponsor of the ALC wind tunnel. The company donated $25,000 to the project as part of its ongoing efforts to promote science, technology, engineering and math (STEM) education. The donation was presented to Kristi Rollag Wangstad, president of AirSpace Minnesota, by Mark Skarohlid, general manager at UTC Aerospace Systems' Sensors and Integrated Systems business in Burnsville, Minn.