ST Engineering last month named Tom Vecchiolla, a former Raytheon executive, to head its United States-based company, VT Systems, as it seeks growth here. Vecchiolla is set to become president and chief executive on Dec. 1, succeeding retired Army Gen. John Coburn. Vecchiolla previously founded a consulting firm focused on aerospace and defense clients and from 2002 to 2007 was an executive at Raytheon. His last role there was president of Raytheon International. ST Engineering is a Singapore-based technology, defense...