LOS ANGELES, Calif. - Northrop Grumman has combined seven units into five to lower costs. The Integrated Systems group was combined with Space Technology to form the Aerospace Systems unit, led by Gary Ervin. The Information Technology and Mission Systems groups have combined as Information Systems, led by Linda Mills. Northrop Grumman last year streamlined its shipbuilding business. (Source: Los Angeles Times, 01/08/09) The new aerospace unit includes the Moss Point, Miss., and other operations involved in building the Global Hawk and Fire Scout unmanned aerial systems.