  l-3 communications holdings is an american company that supplies command and control, communications, intelligence, surveillance and reconnaissance (c3isr) systems and products, avionics, ocean products, training devices and services, instrumentation, space, and navigation products. its customers include the department of defense, department of homeland security, u.s. government intelligence agencies, nasa, aerospace contractors and commercial telecommunications and wireless customers. l-3 is headquartered in murray hill, manhattan, new york city."company profile." l-3 communications. retrieved on march 10, 2010. ==history== l-3 (named for frank lanza, robert lapenta and lehman brothers) was formed in 1997 to acquire certain business units from lockheed martin. these units had belonged to lockheed corporation and martin marietta, which had merged the year before.[http://www.l1id.com/pages/209-robert-v-lapenta "robert v. lapenta" l-1 identity solutions
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