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 *
  FITZGERALD JOHN J
 2. Date of Event Requiring Statement (Month/Day/Year)
07/31/2006		 3. Issuer Name and Ticker or Trading Symbol
MANTECH INTERNATIONAL CORP [MANT]
(Last)
(First)
(Middle)
12015 LEE JACKSON HIGHWAY		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Principal Accounting Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

FAIRFAX, VA 22033		 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)
Class A Common Stock 122
I (1)
By the ManTech International Employee Stock Ownership Plan.

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
Employee Stock Option (right to buy)   (2) 04/18/2014 Class A Common Stock 5,000 $ 22.19 D  
Employee Stock Option (right to buy)   (3) 11/07/2014 Class A Common Stock 6,666 $ 22.5 D  
Employee Stock Option (right to buy)   (4) 03/14/2015 Class A Common Stock 3,333 $ 23.95 D  
Employee Stock Option (right to buy)   (5) 03/06/2011 Class A Common Stock 5,000 $ 30.07 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
FITZGERALD JOHN J
12015 LEE JACKSON HIGHWAY
FAIRFAX, VA 22033		       Principal Accounting Officer  

Signatures

/s/ Michael R. Putnam, by Power of Attorney 08/08/2006
**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) Restricted stock grant pursuant to the ManTech International Employee Stock Ownership Plan.
(2) Pursuant to this option, 15,000 shares were granted on April 19, 2004. Two-thirds of the grant have vested and been exercised. The remaining 5,000 shares will vest on April 19, 2007.
(3) Pursuant to this option, 10,000 shares were granted on November 8, 2004. One-third of the grant has vested and has been exercised. The remaining 6,666 shares will vest in equal annual installments on November 8, 2006 and November 8, 2007.
(4) Pursusant to this option, 5,000 shares were granted on March 15, 2005. One-third of the grant has vested and has been exercised. The remaining 3,333 shares will vest in equal annual installments on March 15, 2007 and March 15, 2008.
(5) The option vests in three equal annual installments, beginning on March 7, 2007.

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