Walden Aviation, 780 S Vista Ave, Willcox, AZ 85643, US

Northrop Grumman Aerospace Systems, formed by the merger between Integrated Systems and Space Technology sectors of Northrop Grumman Corporation, a global security company. Northrop Grumman Aerospace Systems employs more than 20,000 staff members. It provides manned and unmanned aircraft, missiles, space systems and related advanced technologies for national security. The company develops, integrates, produces and supports spacecraft, high-energy laser systems and microelectronics. Its products are used in the areas of intelligence, surveillance, reconnaissance, communication, battle management, electronic warfare, earth observation and space exploration. Northrop Grumman Aerospace Systems is a business unit of Northrop Grumman Corporation, which provides services in the areas of electronic, information system, shipbuilding and technical support to government and commercial customers worldwide.