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 *
  Armstrong Wayne L
 2. Date of Event Requiring Statement (Month/Day/Year)
08/05/2013		 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)
ADTS Division 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 10,518 (1)
D
 
Common Stock 5,200 (2)
D
 
Common Stock 6,000 (3)
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

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Armstrong Wayne L
4820 EASTGATE MALL
SUITE 200
SAN DIEGO, CA 92121		       ADTS Division President  

Signatures

Wayne L. Armstrong, by Eva Yee, Attorney-In-Fact 08/12/2013
**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 3,487 shares held in Issuer's 401(k) Plan and 4,297 shares purchased through Issuer's Employee Stock Purchase Plan.
(2) The reporting person was granted 5,200 Restricted Stock Units (RSUs) on March 30, 2012, which become 100% vested on January 3, 2017, unless earlier vested or forfeited pursuant to the terms of the RSU agreement. Each RSU represents a contingent right to receive one share of Issuer's common stock.
(3) The reporting person was granted 10,000 RSUs on March 30, 2011, which vest 20% annually beginning on March 30, 2012, unless earlier vested or forfeited pursuant to the terms of the RSU agreement. 6,000 RSUs represents the remaining unvested units. Each RSU represents a contingent right to receive one share of Issuer's common stock.

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