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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PEVifzvLy1r3RaoxvvtXqkV8LF69dNxwyrLbBzmQOqGSGJ6VmjxfnptZ5OJPgs51
 ip/skqAzh8V3pf1/Hfjhjg==

<SEC-DOCUMENT>0000032258-03-000297.txt : 20031231
<SEC-HEADER>0000032258-03-000297.hdr.sgml : 20031231
<ACCEPTANCE-DATETIME>20031231171303
ACCESSION NUMBER:		0000032258-03-000297
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031230
FILED AS OF DATE:		20031231

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TITAN CORP
		CENTRAL INDEX KEY:			0000032258
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				952588754
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3033 SCIENCE PARK RD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		8585529500

	MAIL ADDRESS:	
		STREET 1:		3033 SCIENCE PARK RD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ELECTRONIC MEMORIES & MAGNETICS CORP
		DATE OF NAME CHANGE:	19850610

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROSE LES
		CENTRAL INDEX KEY:			0001212149

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06035
		FILM NUMBER:		031080876

	BUSINESS ADDRESS:	
		STREET 1:		3033 SCIENCE PARK RD
		STREET 2:		C/O TITAN CORP
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		8585529500

	MAIL ADDRESS:	
		STREET 1:		3033 SCIENCE PARK RD
		STREET 2:		C/O TITAN CORP
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-12-30</periodOfReport>
    <issuer>
        <issuerCik>0000032258</issuerCik>
        <issuerName>TITAN CORP</issuerName>
        <issuerTradingSymbol>TTN</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001212149</rptOwnerCik>
            <rptOwnerName>ROSE LES</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1501 MERCHANTS WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NICEVILLE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32578</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Senior Vice President</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Common Stock in ESPP </value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1383</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>ESPP</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactio
nCoding><transactionAmounts><transactionShares><value>1692</value><footnoteId id="F2"/></transactionShares><transactionPricePerShare><value>12.818</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>9505</value><footnoteId id="F3"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transact
ionShares><value>3804</value><footnoteId id="F4"/></transactionShares><transactionPricePerShare><value>8.654</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>13309</value><footnoteId id="F5"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>4982</value><footnot
eId id="F6"/></transactionShares><transactionPricePerShare><value>8.253</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>18291</value><footnoteId id="F7"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>12033</value><footnoteId id="F8"/></transactionShares><tr
ansactionPricePerShare><value>10.90</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>30324</value><footnoteId id="F9"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Employee Stock  Options (right to buy)</value></securityTitle><conversionOrExercisePrice><value>12.818</value></conversionOrExercisePrice><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><t
ransactionAmounts><transactionShares><value>1692</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2001-01-17</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2011-01-17</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1692</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>136598</value><footnoteId id="F10"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Options (right to buy)</value></securityTitle><convers
ionOrExercisePrice><value>8.654</value></conversionOrExercisePrice><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>3804</value><footnoteId id="F4"/></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2001-11-27</value><footnoteId id="F4"/></exerciseDate><expirationDate><value>2001-04-02</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>3804</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>132794<
/value><footnoteId id="F11"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Options (right to buy)</value></securityTitle><conversionOrExercisePrice><value>8.253</value></conversionOrExercisePrice><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>4982</value><footnoteId id="F6"/></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><v
alue>2001-11-27</value><footnoteId id="F6"/></exerciseDate><expirationDate><value>2011-04-02</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4982</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>127812</value><footnoteId id="F12"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Options (right to buy)</value></securityTitle><conversionOrExercisePrice><value>10.90</value></conversionOrExercisePrice><transactionDate><value>2003-12-30</value></transactionDate><deemedExecutionDate><value>2003-12-30</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transa
ctionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>12033</value><footnoteId id="F8"/></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-01-31</value><footnoteId id="F8"/></exerciseDate><expirationDate><value>2012-05-16</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>12033</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>115779</value><footnoteId id="F13"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransactio
n></derivativeTable><footnotes><footnote id="F1">Amounts carried forward from Form 5 previously filed by the reporting person for December 31, 2002.</footnote><footnote id="F2">Issuer approved exercise of Employee Stock Options (right to buy).   The stock options were exercisable as to 25% of the total grant amount on January 17, 2001 and thereafter became fully vested when Issuer assumed employee stock options (right to buy) through the acquisition of BTG, Inc. on November 27, 2001.</footnote><footnote id="F3">Represents number of Issuer securities owned by the reporting person after the exercise and holding of the 1,692 shares reported on THIS row.</footnote><footnote id="F4">Issuer approved exercise of Employee Stock Options (right to buy).   The stock options were granted to the reporting person on April 2, 2001 and thereafter became fully vested when Issuer assumed employee stock options (right to buy) through the acquisition of BTG, Inc. on November 27, 2001.</footnote><footnote id="F5">Represents numb
er of Issuer securities owned by the reporting person after the exercise and holding of the 3,804 shares reported on THIS row.</footnote><footnote id="F6">Issuer approved exercise of Employee Stock Options (right to buy).   The stock options were granted to the reporting person on April 2, 2001 and thereafter became fully vested when Issuer assumed employee stock options (right to buy) through the acquisition of BTG, Inc. on November 27, 2001.</footnote><footnote id="F7">Represents number of Issuer securities owned by the reporting person after the exercise and holding of the 4,982 shares reported on THIS row.</footnote><footnote id="F8">Issuer approved exercise of Employee Stock Options (right to buy).   The stock options were exercisable as to 25% of the total grant amount on January 31, 2003 and thereafter as to 1/48th of the total grant amount on the first of each month until fully vested on January 1, 2006.</footnote><footnote id="F9">Represents number of Issuer securities owned by the reporting person 
after the exercise and holding of the 12,033 shares reported on THIS row.</footnote><footnote id="F10">Represents number of issuer employee stock options (right to buy) held by the reporting person after the exercise of the 1,692 shares in THIS transaction is deducted from previous total reported on Form 4 dated February 27, 2003.</footnote><footnote id="F11">Represents number of issuer Employee Stock Options (right to buy) held by the reporting person upon filing of THIS Form 4 and after the exercise of the 3,804 shares in THIS transaction is deducted from the total in PREVIOUS row.</footnote><footnote id="F12">Represents number of issuer Employee Stock Options (right to buy) held by the reporting person upon filing of THIS Form 4 and after the exercise of the 4,982 shares in THIS transaction is deducted from the total in PREVIOUS row.</footnote><footnote id="F13">Represents number of issuer Employee Stock Options (right to buy) held by the reporting person upon filing of THIS Form 4 and after the exercise 
of the 12,033 shares in THIS transaction is deducted from the total in PREVIOUS row.</footnote></footnotes><remarks/><ownerSignature><signatureName>Leslie A. Rose</signatureName><signatureDate>2003-12-30</signatureDate></ownerSignature></ownershipDocument>

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</DOCUMENT>
</SEC-DOCUMENT>
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