UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G
                                 (RULE 13D-102)

 INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13D-1(B),(C)
          AND (D) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13D-2
                               (AMENDMENT NO. 9)*

                   KRATOS DEFENSE AND SECURITY SOLUTIONS, INC.
                     (FORMERLY "WIRELESS FACILITIES, INC.")
                               (NAME OF ISSUER)

                         COMMON STOCK PAR VALUE $0.001
                         (TITLE OF CLASS OF SECURITIES)

                                   50077B108
                                 (CUSIP NUMBER)

                               DECEMBER 31, 2008
            (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                              [    ] Rule 13d-1(b)
                              [    ] Rule 13d-1(c)
                              [ X  ] Rule 13d-1(d)

*The  remainder  of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent  amendment  containing  information  which  would  alter  the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to  be  "filed"  for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but shall be subject to all  other  provisions  of  the  Act  (however,  see the
Notes).




CUSIP NO. 50077B108            13G                     PAGE 2 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak Investment Partners VI, Limited Partnership
            06-1412578

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      14,828 Shares of Common Stock


6.    SHARED VOTING POWER
      0 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      14,828 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      0 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      14,828 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      PN





CUSIP NO. 50077B108            13G                     PAGE 3 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak Associates VI, LLC
            06-1412579

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      0 Shares of Common Stock


6.    SHARED VOTING POWER
      14,828 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      0 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      14,828 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      14,828 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      OO-LLC





CUSIP NO. 50077B108            13G                     PAGE 4 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak VI Affiliates Fund, Limited Partnership
            06-1414970

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      346 Shares of Common Stock


6.    SHARED VOTING POWER
      0 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      346 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      0 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      346 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      PN




CUSIP NO. 50077B108            13G                     PAGE 5 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak VI Affiliates, LLC
            06-1414968

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      0 Shares of Common Stock


6.    SHARED VOTING POWER
      346 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      0 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      346 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      346 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      OO-LLC





CUSIP NO. 50077B108            13G                     PAGE 6 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak Investment Partners IX, Limited Partnership
            06-1556218

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      1,402,084 Shares of Common Stock


6.    SHARED VOTING POWER
      0 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      1,402,084 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      0 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      1,402,084 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      1.3%


12.   TYPE OF REPORTING PERSON
      PN




CUSIP NO. 50077B108            13G                     PAGE 7 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak Associates IX, LLC
            06-1556230

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      0 Shares of Common Stock


6.    SHARED VOTING POWER
      1,402,084 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      0 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      1,402,084 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      1,402,084 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      1.3%


12.   TYPE OF REPORTING PERSON
      OO-LLC




CUSIP NO. 50077B108            13G                     PAGE 8 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak IX Affiliates Fund - A, Limited Partnership
            06-1571899

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      33,655 Shares of Common Stock


6.    SHARED VOTING POWER
      0 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      33,655 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      0 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      33,655 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      PN




CUSIP NO. 50077B108            13G                     PAGE 9 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak IX Affiliates Fund, Limited Partnership
            06-1556229

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      14,942 Shares of Common Stock


6.    SHARED VOTING POWER
      0 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      14,942 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      0 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      14,942 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      PN





CUSIP NO. 50077B108            13G                     PAGE 10 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak IX Affiliates, LLC
            06-1556233

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      0 Shares of Common Stock


6.    SHARED VOTING POWER
      48,597 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      0 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      48,597 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      48,597 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      OO-LLC



CUSIP NO. 50077B108            13G                     PAGE 11 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak Investment Partners X, Limited Partnership
            06-1601019

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      3,828,058 Shares of Common Stock


6.    SHARED VOTING POWER
      0 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      3,828,058 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      0 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      3,828,058 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      3.6%


12.   TYPE OF REPORTING PERSON
      PN




CUSIP NO. 50077B108            13G                     PAGE 12 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak Associates X, LLC
            06-1630661

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      0 Shares of Common Stock


6.    SHARED VOTING POWER
      3,828,058 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      0 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      3,828,058 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      3,828,058 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      3.6%


12.   TYPE OF REPORTING PERSON
      OO-LLC





CUSIP NO. 50077B108            13G                     PAGE 13 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak X Affiliates Fund, Limited Partnership
            06-1622220

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      61,445 Shares of Common Stock


6.    SHARED VOTING POWER
      0 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      61,445 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      0 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      61,445 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      PN




CUSIP NO. 50077B108            13G                     PAGE 14 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak X Affiliates, LLC
            06-1630662

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      0 Shares of Common Stock


6.    SHARED VOTING POWER
      61,445 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      0 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      61,445 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      61,445 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      Less than 0.1%


12.   TYPE OF REPORTING PERSON
      OO-LLC





CUSIP NO. 50077B108            13G                     PAGE 15 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Oak Management Corporation
            06-0990851

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      0 Shares of Common Stock


6.    SHARED VOTING POWER
      5,355,358 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      0 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      5,355,358 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      5,355,358 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      5.1%


12.   TYPE OF REPORTING PERSON
      CO





CUSIP NO. 50077B108            13G                     PAGE 16 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Bandel L. Carano

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            United States


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      2,554 Shares of Common Stock


6.    SHARED VOTING POWER
      5,355,358 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      2,554 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      5,355,358 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      5,357,912 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      5.1%


12.   TYPE OF REPORTING PERSON
      IN




CUSIP NO. 50077B108            13G                     PAGE 17 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Gerald R. Gallagher

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            United States


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      10,285 Shares of Common Stock


6.    SHARED VOTING POWER
      1,465,855 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      10,285 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      1,465,855 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      1,476,140 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      1.4%


12.   TYPE OF REPORTING PERSON
      IN




CUSIP NO. 50077B108            13G                     PAGE 18 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Edward F. Glassmeyer

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            United States


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      34,791 Shares of Common Stock


6.    SHARED VOTING POWER
      5,355,358 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      34,791 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      5,355,358 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      5,390,149 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      []


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      5.1%


12.   TYPE OF REPORTING PERSON
      IN





CUSIP NO. 50077B108            13G                     PAGE 19 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Fredric W. Harman

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            United States


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      21,593 Shares of Common Stock


6.    SHARED VOTING POWER
      5,355,358 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      21,593 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      5,355,358 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      5,376,951 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      [ ]


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      5.1%


12.   TYPE OF REPORTING PERSON
      IN




CUSIP NO. 50077B108            13G                     PAGE 20 OF 26 PAGES

1.    NAME OF REPORTING PERSONS
            Ann H. Lamont

2.    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (a)  [   ]
            (b)  [ X ]

3.    SEC USE ONLY

4.    CITIZENSHIP OR PLACE OF ORGANIZATION
            United States


NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH:


5.    SOLE VOTING POWER
      37,024 Shares of Common Stock


6.    SHARED VOTING POWER
      5,355,358 Shares of Common Stock


7.    SOLE DISPOSITIVE POWER
      37,024 Shares of Common Stock


8.    SHARED DISPOSITIVE POWER
      5,355,358 Shares of Common Stock


9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      5,392,382 Shares of Common Stock


10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES:
      [ ]


11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
      5.1%


12.   TYPE OF REPORTING PERSON
      IN






Item 1.

(a)   Name of Issuer:
      Kratos Defense and Security Solutions, Inc. (formerly "Wireless
      Facilities, Inc.")

(b)   Address of Issuer's principal executive offices:
      4810 Eastgate Mall
      San Diego, California 92121

Item 2.

(a)   Names of persons filing:
      Oak Investment Partners VI, Limited Partnership
      Oak Associates VI, LLC
      Oak VI Affiliates Fund, Limited Partnership
      Oak VI Affiliates, LLC
      Oak Investment Partners IX, Limited Partnership
      Oak Associates IX, LLC
      Oak IX Affiliates Fund - A, Limited Partnership
      Oak IX Affiliates Fund, Limited Partnership
      Oak IX Affiliates, LLC
      Oak Investment Partners X, Limited Partnership ("Oak X")
      Oak Associates X, LLC
      Oak X Affiliates Fund, Limited Partnership ("Oak X Affiliates")
      Oak X Affiliates, LLC
      Oak Management Corporation ("Oak Management")
      Bandel L. Carano
      Gerald R. Gallagher
      Edward F. Glassmeyer
      Fredric W. Harman
      Ann H. Lamont

(b)   Address or principal business office or, if none, residence:
      c/o Oak Management Corporation
      One Gorham Island
      Westport, Connecticut 06880

(c)   Citizenship:
      Please refer to Item 4 on each cover sheet for each filing person.

(d)   Title of class of securities:
      Common stock, par value $0.001 per share

(e)   CUSIP No.:  50077B108

Item 3.If this is a statement filed pursuant to Sections 240.13d-1(b)
      or 240.13d-2(b) or (c), check whether the person filing is a:
      (a)[    ]Broker or dealer registered under Section 15 of the Act (15
               U.S.C. 78o).
      (b)[    ]Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).
      (c)[    ]Insurance company as defined in section 3(a)(19) of the Act (15
               U.S.C. 78c).
      (d)[    ]Investment company registered under section 8 of the Investment
               Company Act of 1940 (15 U.S.C 80a-8).
      (e)[    ]An investment adviser in accordance with section 240.13d-
               1(b)(1)(ii)(E);
      (f)[    ]An employee benefit plan or endowment fund in accordance with
               Section 240.13d-1(b)(1)(ii)(F);
      (g)[    ]A parent holding company or control person in accordance with
               Section 240.13d-1(b)(1)(ii)(G);
      (h)[    ]A savings associations as defined in Section 3(b) of the Federal
               Deposit Insurance Act (12 U.S.C. 1813);




      (i)[    ]A church plan that is excluded from the definition of an
               investment company under Section 3(c)(14) of the Investment
	       Company Act of 1940 (15 U.S.C. 80a-3);
      (j)[    ]Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).
               Not applicable


Item 4.Ownership
      The  approximate  percentages  of  shares  of  Common  Stock  reported  as
beneficially owned by the Reporting Persons are based upon 105,292,730 shares of
Common  Stock  outstanding  as  of October 31, 2008, as reported in the Issuer's
Quarterly Report on Form 10-Q for  the quarterly period ended September 28, 2008
(filed with the SEC on November 6, 2008),  plus  certain  shares  issuable  upon
exercise by the Reporting Persons of options to acquire Common Stock.

      Oak  Associates  VI, LLC is the general partner of Oak Investment Partners
VI, Limited Partnership; Oak VI Affiliates, LLC is the general partner of Oak VI
Affiliates Fund, Limited  Partnership;  Oak  Associates  IX,  LLC is the general
partner of Oak Investment Partners IX, Limited Partnership; Oak  IX  Affiliates,
LLC  is  the  general  partner  of  each  of  Oak  IX  Affiliates  Fund, Limited
Partnership and Oak IX Affiliates Fund - A, Limited Partnership; Oak  Associates
X, LLC is the general partner of Oak X; and Oak X Affiliates, LLC is the general
partner  of  Oak  X  Affiliates.   Oak Management is the manager of each of  Oak
Investment Partners VI, Limited Partnership,  Oak  VI  Affiliates  Fund, Limited
Partnership,  Oak Investment Partners IX, Limited Partnership Oak IX  Affiliates
Fund, Limited Partnership,  Oak  IX  Affiliates  Fund  -  A,  Oak  X  and  Oak X
Affiliates.   Gerald  R.  Gallagher,  Bandel  L.  Carano,  Edward F. Glassmeyer,
Fredric W. Harman and Ann H. Lamont are the managing members  of  the respective
general partner of each of Oak Investment Partners VI, Limited Partnership,  Oak
VI  Affiliates  Fund,  Limited  Partnership, Oak Investment Partners IX, Limited
Partnership Oak IX Affiliates Fund,  Limited  Partnership, and Oak IX Affiliates
Fund - A, and, as such, may be deemed to possess  shared beneficial ownership of
the shares of common stock held by such entities.   Bandel  L. Carano, Edward F.
Glassmeyer, Fredric W. Harman and Ann H. Lamont are the managing members of each
of  Oak  X and Oak X Affiliates, and, as such, may be deemed to  possess  shared
beneficial ownership of the shares of common stock held by such entities.

      Amounts  shown  as  beneficially owned by each of Oak X, Oak Associates X,
LLC, Oak Management, Bandel  L. Carano, Edward F. Glassmeyer, Fredric W. Harman,
and Ann H. Lamont include options  to  purchase  158,869 shares of Common Stock,
which may be deemed to be held by Bandel L. Carano on behalf of Oak X.

      Amounts shown as beneficially owned by each  of  Oak  X  Affiliates, Oak X
Affiliates, LLC, Oak Management, Bandel L. Carano, Edward F. Glassmeyer, Fredric
W. Harman, and Ann H. Lamont include options to purchase 2,551 shares  of Common
Stock,  which  may  be deemed to be held by Bandel L. Carano on behalf of Oak  X
Affiliates.

      Amounts shown as  beneficially  owned  by  Bandel  L. Carano include 2,554
shares of Common Stock held individually by Mr. Carano and  exclude an aggregate
of 16,038 shares of Common Stock held by three trusts (for the  benefit of minor
children not related to Mr. Carano) of which Mr. Carano is the trustee  (and not
the beneficial owner).

      Amounts shown as beneficially owned by Edward F. Glassmeyer include 20,171
shares of Common Stock held individually by Mr. Glassmeyer and 14,620 shares  of
Common  Stock  held  by  a  trust of which members of Mr. Glassmeyer's immediate
family are the beneficiaries and the trustee.

      Amounts shown as beneficially  owned  by  Fredric  W. Harman include 5,555
shares of Common Stock held by a trust of which Mr. Harman  is  a trustee and an
aggregate of 16,038 shares of Common Stock held in trust for the  benefit of Mr.
Harman's three minor children.  Mr. Harman disclaims beneficial ownership of the
shares held in trust for his three minor children.

      Amounts shown as beneficially owned by Ann H. Lamont include 34,024 shares
of  Common  Stock  individually  owned by Ms. Lamont and 3,000 shares of  Common
Stock held by The Lamont Children's  1998  Trust for the benefit of Ms. Lamont's
minor children.

      By making this filing, the Reporting Persons  acknowledge that they may be
deemed to constitute a "group"




within the meaning of Section 13(d)(3) of the Securities  Exchange  Act of 1934,
as  amended,  in  connection  with  the securities of the Issuer. Each Reporting
Person disclaims the existence of a "group"  and  disclaims beneficial ownership
of all shares of Common Stock or securities convertible  into or exercisable for
Common Stock other than any shares or other securities reported  herein as being
owned by it, him or her, as the case may be.

      Please see Items 5, 6, 7, 8, 9 and 11 for each cover sheet for each filing
entity.

Item 5.Ownership of Five Percent (5%) or Less of a Class.
      If this statement is being filed to report the fact that as  of  the  date
hereof  the  reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following: [  ]

Item 6.Ownership of More than Five Percent (5%) on Behalf of Another Person.
      Not applicable

Item 7.Identification  and  Classification  of the Subsidiary Which Acquired the
Security Being Reported on by the Parent Holding Company or Control Person.
      Not applicable

Item 8.Identification and Classification of Members of the Group.
      Not applicable

Item 9.Notice of Dissolution of Group.
      Not applicable

Item 10.Certifications.

By signing below, each of the undersigned certifies  that, to the best of his or
its  individual  knowledge  and belief, the securities referred  to  above  were
acquired and are held in the  ordinary  course of business and were not acquired
and  are  not  held  for  the  purpose of or with  the  effect  of  changing  or
influencing the control of the issuer  of  the  securities and were not acquired
and  are  not  held in connection with or as a participant  in  any  transaction
having that purpose or effect.





                                   SIGNATURE

After reasonable  inquiry  and  to  the  best of the knowledge and belief of the
undersigned, each of the undersigned certifies that the information set forth in
this statement with respect to such entity  or  individual is true, complete and
correct.


Dated:  February 12, 2009

Entities:

Oak Investment Partners IX, Limited Partnership
Oak Associates IX, LLC
Oak IX Affiliates Fund - A, Limited Partnership
Oak IX Affiliates Fund, Limited Partnership
Oak IX Affiliates, LLC
Oak Investment Partners X, Limited Partnership
Oak Associates X, LLC
Oak X Affiliates Fund, Limited Partnership
Oak X Affiliates, LLC
Oak Investment Partners VI, Limited Partnership
Oak Associates VI, LLC
Oak VI Affiliates Fund, Limited Partnership
Oak VI Affiliates, LLC
Oak Management Corporation

                                 By: /s/ Edward F. Glassmeyer
                                        Edward F. Glassmeyer, as
                                        General Partner or Managing Member
                                        or as attorney-in-fact for the
                                        above-listed entities


Individuals:


Bandel L. Carano
Gerald R. Gallagher
Edward F. Glassmeyer
Fredric W. Harman
Ann H. Lamont

                                 By: /s/ Edward F. Glassmeyer
                                        Edward F. Glassmeyer,
                                        individually and as
                                        attorney-in-fact for the
                                        above-listed individuals







                               INDEX TO EXHIBITS

EXHIBIT A         Agreement of Reporting Persons

EXHIBIT B         Power of Attorney (previously filed)






                                   EXHIBIT A

AGREEMENT OF REPORTING PERSONS

      Each of the undersigned hereby agrees that Amendment No. 9 to Schedule 13G
filed on the date hereof with respect to the shares of Common Stock of Kratos
Defense and Security Solutions, Inc. (formerly "Wireless Facilities, Inc.") has
been filed on behalf of the undersigned.

Signature:

      Dated: February 12, 2009

Entities:

Oak Investment Partners IX, Limited Partnership
Oak Associates IX, LLC
Oak IX Affiliates Fund - A, Limited Partnership
Oak IX Affiliates Fund, Limited Partnership
Oak IX Affiliates, LLC
Oak Investment Partners X, Limited Partnership
Oak Associates X, LLC
Oak X Affiliates Fund, Limited Partnership
Oak X Affiliates, LLC
Oak Investment Partners VI, Limited Partnership
Oak Associates VI, LLC
Oak VI Affiliates Fund, Limited Partnership
Oak VI Affiliates, LLC
Oak Management Corporation

                                    By: /s/ Edward F. Glassmeyer
                                           Edward F. Glassmeyer, as
                                           General Partner or
                                           Managing Member or as
                                           attorney-in-fact for the
                                           above-listed entities


Individuals:

Bandel L. Carano
Gerald R. Gallagher
Edward F. Glassmeyer
Fredric W. Harman
Ann H. Lamont

                                    By: /s/ Edward F. Glassmeyer
                                           Edward F. Glassmeyer,
                                           individually and as
                                           attorney-in-fact for the
                                           above-listed individuals