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 *   POIRIER RICHARD 2. Date of Event Requiring Statement (Month/Day/Year) 07/02/2012 3. Issuer Name and Ticker or Trading Symbol KRATOS DEFENSE & SECURITY SOLUTIONS, INC. [KTOS] (Last) (First) (Middle) 4820 EASTGATE MALL, SUITE 200 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Elec. Products. Div. President 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN DIEGO, CA 92121 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 8,924 (1) D Â

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
Restricted Stock Units (2)	  (3)	  (3)	Common Stock	16,000	$ 0	D	Â
Restricted Stock Units (2)	  (4)	  (4)	Common Stock	12,500	$ 0	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
POIRIER RICHARD 4820 EASTGATE MALL, SUITE 200 SAN DIEGO, CA 92121	Â	Â	  Elec. Products. Div. President	Â

Signatures

Richard Poirier, by Eva Yee, Attorney-In-Fact		07/12/2012
**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)	Includes 1,871 shares held in Issuer's 401(k) Plan and 3,053 shares purchased through Issuer's Employee Stock Purchase Plan.
(2)	Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.
(3)	The reporting person was granted 20,000 restricted stock units on March 30, 2011, which vest 20% annually beginning on March 30, 2012, unless earlier vested upon a change in control or forfeited pursuant to the terms of the restricted stock unit agreement. 16,000 restricted stock units represents the remaining unvested units.
(4)	The reporting person was granted 12,500 restricted stock units on March 30, 2012, which vest 100% on January 3, 2017, unless earlier vested upon a change in control or forfeited pursuant to the terms of the restricted stock unit agreement.

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