Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Post Steven M
 2. Date of Event Requiring Statement (Month/Day/Year)
05/27/2008		 3. Issuer Name and Ticker or Trading Symbol
L 3 COMMUNICATIONS HOLDINGS INC [LLL]
(Last)
(First)
(Middle)
600 THIRD AVENUE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
S.V.P., Gen. Counsel, Corp Sec
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10016		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 3,481 (1) (2)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
04/20/2004 Employee Stock Option (Right to Buy)   (3) 04/20/2014 Common Stock 5,000 $ 59.73 D  
10/10/2005 Employee Stock Option (Right to Buy)   (3) 10/10/2015 Common Stock 2,000 $ 78.6 D  
08/02/2006 Employee Stock Option (Right to Buy)   (3) 08/02/2016 Common Stock 1,000 $ 72.2 D  
08/01/2007 Employee Stock Option (Right to Buy)   (3) 08/01/2017 Common Stock 2,085 $ 99.58 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Post Steven M
600 THIRD AVENUE
NEW YORK, NY 10016		       S.V.P., Gen. Counsel, Corp Sec  

Signatures

/s/ Allen E. Danzig as Attorney-in-Fact 06/04/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Does not include options to purchase shares of common stock.
(2) Reflects shares acquired through the Company's Master Savings (401(k)) Plan, Employee Stock Purchase Plan and grants of Restricted Stock Units.
(3) These options vest in equal one-third increments beginning on the one-year anniversary of the grant date.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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