FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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	OMB APPROVAL
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1. Name and Address of Reporting Person* Hannon, G. John	2. Issuer Name and Ticker or Trading Symbol Essex Corporation (ESEX)		6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [X]     Director                                   [X]   10% Owner [_]     Officer (give title below)    [_]   Other (specify below)
(Last)             (First)            (Middle) 9150 Guilford Road	3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary)	4. Statement for Month/Day/Year
(Street) Columbia, MD 21046		5. If Amendment, Date of Original (Month/Day/Year) 12/17/2002	7. 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 Acquired, Disposed of, or Beneficially Owned

1. Title of Security (Instr. 3)	2. Trans- action Date (mm/dd/yy)	2A. Deemed Execution Date, if any (mm/dd/yy)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction (Instr. 3 and 4)	6. Owner- ship Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Essex Corporation Common Stock								1,746,666	I	By LLC
Essex Corporation Common Stock								225	D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instructions 4(b)(v).
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FORM 4 (continued) Table II —Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1.Title of Derivative Security (Instr.3)

2.  Conversion or Exercise Price of Derivative Security

3.  Transaction Date (Month/ Day/ Year)

3A. Deemed Execution Date if any (Month/ Day/ Year)

4. Transaction Code  Instr. 8)

5. Number of Derivative Securities  Acquired (A) or Disposed of  (D)  (Instr. 3, 4 and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9.Number of Deriv- ative Secur- ities Bene- ficially Owned Follow- ing Reported Trans- action(s) (Instr. 4)

10. Owner- ship Form of Deriv- ative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Benefi- cial Owner- ship (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Convertible Promissory Note

$2.60

12/17/02

J

192,307

12/17/02

12/31/04

Common Stock

192,307

192,307(1)

I

BY LLC

Common Stock Purchase Warrant

1,000,000

I

BY LLC

Explanation of Responses:
(1) Correction of only $500K in convertible prommisory note versus $600K (192,307 shares versus previously reported 236,500 shares).

**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	/s/  Kimberly DeChello, Attorney-In-Fact for John G. Hannon **Signature of Reporting Person	05/02/2003   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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