-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001065407-05-000257.txt : 20050329
<SEC-HEADER>0001065407-05-000257.hdr.sgml : 20050329
<ACCEPTANCE-DATETIME>20050329195905
ACCESSION NUMBER:		0001065407-05-000257
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050317
FILED AS OF DATE:		20050329
DATE AS OF CHANGE:		20050329

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TELOS CORP
		CENTRAL INDEX KEY:			0000320121
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				520880974
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		19886 ASHBURN ROAD
		CITY:			ASHBURN
		STATE:			VA
		ZIP:			20147
		BUSINESS PHONE:		7034716000

	MAIL ADDRESS:	
		STREET 1:		19886 ASHBURN ROAD
		CITY:			ASHBURN
		STATE:			VA
		ZIP:			20147

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	C3 INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EWING TIMOTHY G
		CENTRAL INDEX KEY:			0001077701

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08443
		FILM NUMBER:		05711120

	BUSINESS ADDRESS:	
		STREET 1:		4514 COLE AVE SUITE 808
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75205
		BUSINESS PHONE:		2145222100

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EWING & PARTNERS
		CENTRAL INDEX KEY:			0001056612

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08443
		FILM NUMBER:		05711121

	BUSINESS ADDRESS:	
		STREET 1:		4514 COLE AVENUE SUITE 808
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75205
		BUSINESS PHONE:		2145222100

	MAIL ADDRESS:	
		STREET 1:		4514 COLE AVENUE SUIE 808
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75205

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VALUE PARTNERS LTD /TX/
		CENTRAL INDEX KEY:			0000926614
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08443
		FILM NUMBER:		05711122

	BUSINESS ADDRESS:	
		STREET 1:		C/O EWING & PARTNERS
		STREET 2:		4514 COLE AVE #808
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75205

	MAIL ADDRESS:	
		STREET 1:		C/O EWING & PARTNERS
		STREET 2:		4514 COLE AVE. #808
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75230
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-03-17</periodOfReport>

    <issuer>
        <issuerCik>0000320121</issuerCik>
        <issuerName>TELOS CORP</issuerName>
        <issuerTradingSymbol>TLSRP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000926614</rptOwnerCik>
            <rptOwnerName>VALUE PARTNERS LTD /TX/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4514 COLE AVENUE, SUITE 808</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75205</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001056612</rptOwnerCik>
            <rptOwnerName>EWING &amp; PARTNERS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4514 COLE AVENUE, SUITE 808</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75205</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001077701</rptOwnerCik>
            <rptOwnerName>EWING TIMOTHY G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4514 COLE AVENUE, SUITE 808</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75205</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>12% Cumulative Exchangeable Redeemable Preferred Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-03-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>153000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>561317</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks>(a) - Signed by Timothy G. Ewing on behalf of Ewing &amp; Parners (&quot;E&amp;P&quot;) in Mr. Ewing's capacity as general partner of E&amp;P, on behalf of Value Partners, Ltd (&quot;VP&quot;) in his capacity as the general partner of E&amp;P, which is the general partner of VP, and on behalf of himself individually.</remarks>

    <ownerSignature>
        <signatureName>/s/ Timothy G. Ewing (a)</signatureName>
        <signatureDate>2005-03-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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