    <SEC-DOCUMENT>0001069258-20-000009-index.html : 20200424
    <SEC-HEADER>0001069258-20-000009.hdr.sgml : 20200424
    <ACCEPTANCE-DATETIME>20200424161159
    ACCESSION NUMBER:		0001069258-20-000009
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		10
    CONFORMED PERIOD OF REPORT:	20191229
    FILED AS OF DATE:		20200424
    DATE AS OF CHANGE:		20200424
    EFFECTIVENESS DATE:		20200424

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			KRATOS DEFENSE & SECURITY SOLUTIONS, INC.
    		CENTRAL INDEX KEY:			0001069258
    		STANDARD INDUSTRIAL CLASSIFICATION:	GUIDED MISSILES & SPACE VEHICLES & PARTS [3760]
    		IRS NUMBER:				133818604
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1229

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34460
    		FILM NUMBER:		20815064

    	BUSINESS ADDRESS:
    		STREET 1:		10680 TREENA STREET
    		STREET 2:		SUITE 600
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92131
    		BUSINESS PHONE:		858-812-7300

    	MAIL ADDRESS:
    		STREET 1:		10680 TREENA STREET
    		STREET 2:		SUITE 600
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92131

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	WIRELESS FACILITIES INC
    		DATE OF NAME CHANGE:	19990817
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>kratosdef14a041720.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: kratosdef14a041720.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>chart-ac71f75c1aba57a8ade.jpg
    <TEXT>
    Document 2 - file: chart-ac71f75c1aba57a8ade.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>chart-caf04ac8a31c5d9e914.jpg
    <TEXT>
    Document 3 - file: chart-caf04ac8a31c5d9e914.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>kratosdefensesecsolutionsin1.jpg
    <TEXT>
    Document 4 - file: kratosdefensesecsolutionsin1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>kratosdefensesecsolutionsinc.jpg
    <TEXT>
    Document 5 - file: kratosdefensesecsolutionsinc.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>kratoslogoa08.jpg
    <TEXT>
    Document 6 - file: kratoslogoa08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>kratoslogoa09.jpg
    <TEXT>
    Document 7 - file: kratoslogoa09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>kratossignature.jpg
    <TEXT>
    Document 8 - file: kratossignature.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>kratossignaturea01.jpg
    <TEXT>
    Document 9 - file: kratossignaturea01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>kratossignaturea02.jpg
    <TEXT>
    Document 10 - file: kratossignaturea02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>