L-3 Communications Holdings, Inc. (L-3 Holdings) is a prime contractor in Command, Control, Communications, Intelligence, Surveillance and Reconnaissance (C3ISR) systems, aircraft modernization and maintenance, and government services. L-3 Holdings operates from its wholly owned subsidiary, L-3 Communications Corporation. The Company�s customers include the United States Department of Defense (DoD) and its prime contractors, United States Government intelligence agencies, the United States Department of Homeland Security (DHS), United States Department of State (DoS), United States Department of Justice (DoJ), allied foreign governments, domestic and foreign commercial customers, and select other United States federal, state and local government agencies. The Company operates in four segments: C3ISR, Government Services, Aircraft Modernization and Maintenance (AM&M) and Electronic Systems. In March 2014, the Company acquired Data Tactics Corporation.