WIESBADEN, Germany -- The U.S. Army Corps of Engineers Europe District challenged Wiesbaden Middle School students to explain, in 500 words or less, why they are interested in pursuing science, technology, engineering and math careers. The winners -- Pete Greig, Chuck Oliver and Isabella Lee -- representing the sixth, seventh and eighth grades, respectively, were selected from a pool of 80 contest entrants by Department of Defense Dependents Schools officials.