Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
Butera Deborah Sue
  2. Issuer Name and Ticker or Trading Symbol
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. [KTOS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP,CCO,Sec. & General Counsel
(Last)
(First)
(Middle)
4820 EASTGATE MALL
3. Date of Earliest Transaction (Month/Day/Year)
09/10/2014
(Street)

SAN DIEGO, CA 92121
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 09/10/2014   M   9,375 (1) A (5) 25,088 (3) D  
Common Stock 09/11/2014   F   3,523 (2) D $ 7.06 21,565 (3) D  

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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 Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units $ 0 09/10/2014   M     9,375   (1)   (4) Common Stock 9,375 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Butera Deborah Sue
4820 EASTGATE MALL
SAN DIEGO, CA 92121
      SVP,CCO,Sec. & General Counsel  

Signatures

 Deborah S. Butera, by Eva Yee, Attorney-In-Fact   09/11/2014
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Common Stock issued to reporting person pursuant to settlement of vested shares under Restricted Stock Unit grant dated September 10, 2010, where 7,500 of the 15,000 Restricted Stock Units granted vest in four equal installments annually beginning September 10, 2011 and the remaining 7,500 Restricted Stock Units vest on the fourth anniversary of the grant date.
(2) Shares tendered for payment of minimum tax liability, pursuant to a Rule 10b5-1 Plan, in connection with shares vested September 10, 2014 from a Restricted Stock Unit grant originally reported on Form 3 filed September 22, 2010, and released September 11, 2014.
(3) Includes 7,399 shares held in Issuer's 401(k) Plan and 1,889 shares purchased through Issuer's Employee Stock Purchase Plan.
(4) 7,500 of the Restricted Stock Units vest in four equal installments annually beginning September 10, 2011 and the remaining 7,500 restricted stock units vest September 10, 2014, unless earlier forfeited pursuant to the terms of the Restricted Stock Unit agreement.
(5) Not applicable for this transaction.

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