<TABLE> <S> <C>

<ARTICLE>                     5
<CIK>                                          0000032258
<NAME>                                         The Titan Corporation
<MULTIPLIER>                                   1,000
<CURRENCY>                                     U.S DOLLARS
       
<S>                                  <C>                 <C>               <C>
<PERIOD-TYPE>                              3-MOS               6-MOS             9-MOS
<FISCAL-YEAR-END>                    DEC-31-1997         DEC-31-1997       DEC-31-1997
<PERIOD-START>                       JAN-01-1997         JAN-01-1997       JAN-01-1997
<PERIOD-END>                         MAR-31-1997         JUN-30-1997       SEP-30-1997
<EXCHANGE-RATE>                            1.000               1.000             1.000
<CASH>                                     4,801               7,976             3,322
<SECURITIES>                              11,766               9,311            12,321
<RECEIVABLES>                             69,713              68,750            71,318
<ALLOWANCES>                                   0<F1>               0<F1>             0<F1>
<INVENTORY>                               19,411              17,457            18,081
<CURRENT-ASSETS>                         121,809             124,229           119,510
<PP&E>                                    71,094              71,076            71,871
<DEPRECIATION>                            42,305              42,895            43,658
<TOTAL-ASSETS>                           195,315             196,227           186,721
<CURRENT-LIABILITIES>                     59,125              59,227            62,583
<BONDS>                                   40,092              40,020            39,785
<PREFERRED-MANDATORY>                          0                   0                 0
<PREFERRED>                                3,695               3,695             3,695
<COMMON>                                     339                 339               342
<OTHER-SE>                                82,720              84,645            68,938
<TOTAL-LIABILITY-AND-EQUITY>             195,315             196,227           186,721
<SALES>                                   67,764             137,957           204,826
<TOTAL-REVENUES>                          67,827             138,082           205,013
<CGS>                                     53,019             106,172           158,327
<TOTAL-COSTS>                             53,019             106,172           158,327
<OTHER-EXPENSES>                          10,165              22,271            39,341
<LOSS-PROVISION>                               0<F1>               0<F1>             0<F1>
<INTEREST-EXPENSE>                         1,619               3,266             5,001
<INCOME-PRETAX>                            3,216               6,786             3,018
<INCOME-TAX>                                 963               2,232             2,829
<INCOME-CONTINUING>                        2,253               4,554               189
<DISCONTINUED>                            (1,081)             (1,763)          (13,163)
<EXTRAORDINARY>                                0                   0                 0
<CHANGES>                                      0                   0                 0
<NET-INCOME>                               1,172               2,791           (12,974)
<EPS-PRIMARY>                                .03                 .07              (.41)
<EPS-DILUTED>                                .03                 .08              (.41)
<FN>
<F1> Due to the use of condensed  finanical  statements  for interim  reproting,  this  information is not compiled on a
     quarterly basis.
</FN>
        

</TABLE>