**Exhibit31.2**

CERTIFICATIONS

I, Robert V. LaPenta,certify that:

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| 1.   | I have reviewedthis annual report on Form 10-K of L-3 Communications Holdings, Inc.and L-3 Communications Corporation; |

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| 2.  | Based on my knowledge, this report does notcontain any untrue statement of a material fact or omit to state amaterial fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleadingwith respect to the period covered by this report; |

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| 3.  | Based on my knowledge, the financial statements,and other financial information included in this report, fairly presentin all material respects the financial condition, results of operationsand cash flows of the registrants as of, and for, the periods presentedin this report; |

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| 4.  | Theregistrants' other certifying officer and I are responsible forestablishing and maintaining disclosure controls and procedures (asdefined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for theregistrants and have: |

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| a)  | designedsuch disclosure controls and procedures, or caused such disclosurecontrols and procedures to be designed under our supervision, to ensurethat material information relating to the registrants, including theirconsolidated subsidiaries, is made known to us by others within thoseentities, particularly during the period in which this report is beingprepared; |

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| b)  | evaluated theeffectiveness of the registrants' disclosure controls andprocedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and .procedures, as of the endof the period covered by this report based on such evaluation;and |

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| c)  | disclosed in this report anychange in the registrants' internal control over financialreporting that occurred during the registrants' fourth fiscalquarter that has materially affected, or is reasonably likely tomaterially affect, the registrants' internal control overfinancial reporting; and |

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| 5.   | Theregistrants' other certifying officer and I have disclosed, basedon our most recent evaluation of internal control over financialreporting, to the registrants' auditors and the audit committeeof the registrants' board of directors (or persons performing theequivalent functions): |

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| a)  | allsignificant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which arereasonably likely to adversely affect the registrants' ability torecord, process, summarize and report financial information; and |

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| b)   | any fraud, whether or notmaterial, that involves management or other employees who have asignificant role in the registrants' internal control overfinancial reporting. |

Date: March 4, 2004

/s/ Robert V.LaPenta                                

Robert V. LaPenta

President andChief Financial Officer

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