TEMPE, Ariz. -- U.S. Army Corps of Engineers Los Angeles District Commander Col. Kimberly Colloton speaks with a professor from the Del E. Webb School of Construction at Arizona State University here April 15. During the visit, Colloton and South Pacific Division Commander Brig. Gen. Mark Toy signed a Memorandum of Understanding with ASU that emphasizes the importance of science, technology, engineering and mathematics.