Ryan A. Mihalyi Arizona Daily Wildcat From left, Vice Provost and Dean of the College of Engineering and Mines Ernest T. Smerdon, UA President Manuel Pacheco and Aerospace and Mechanical Engineering Department Head Joseph Humphrey, cut the ribbon at the new Aerospace and Mechanical Engineering Building dedication on Friday. Construction on the building, at Speedway Boulevard and Mountain Avenue, started in October 1994. After 22 months, classes are being held in the building.