EXHIBIT 23.3


                        CONSENT OF INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated March 7, 1997, with respect to the combined financial
statements of Lockheed Martin Communications Systems Division as of and for the
year ended December 31, 1996 (not presented separately herein) and for the year
ended December 31, 1995, included in the Registration Statement on Form S-4 and
related Prospectus of L-3 Communications Holdings, Inc. for the registration of
its 8% Senior Subordinated Notes due 2008.



                                        /s/ Ernst & Young LLP


Washington, D.C.
January 4, 1999