<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS FOR TELOS CORPORATION
AND ITS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK>                                          0000320121
<NAME>                                         TELOS CORPORATION
<MULTIPLIER>                                   1
<CURRENCY>                                     U.S. Dollars

                                           
<PERIOD-TYPE>                                       9-MOS
<FISCAL-YEAR-END>                             DEC-31-1999
<PERIOD-START>                                JAN-01-1999
<PERIOD-END>                                  SEP-30-1999
<EXCHANGE-RATE>                                         1
<CASH>                                            503,000
<SECURITIES>                                            0
<RECEIVABLES>                                  32,491,000
<ALLOWANCES>                                      941,000
<INVENTORY>                                     5,194,000
<CURRENT-ASSETS>                               42,874,000
<PP&E>                                         37,847,000
<DEPRECIATION>                                 24,296,000
<TOTAL-ASSETS>                                 63,805,000
<CURRENT-LIABILITIES>                          47,609,000
<BONDS>                                        35,587,000
<PREFERRED-MANDATORY>                          40,655,000
<PREFERRED>                                             0
<COMMON>                                           78,000
<OTHER-SE>                                    (54,790,000)
<TOTAL-LIABILITY-AND-EQUITY>                   63,805,000
<SALES>                                       143,972,000
<TOTAL-REVENUES>                              143,972,000
<CGS>                                         122,479,000
<TOTAL-COSTS>                                 122,479,000
<OTHER-EXPENSES>                               (4,731,000)
<LOSS-PROVISION>                                        0
<INTEREST-EXPENSE>                              5,284,000
<INCOME-PRETAX>                                (6,475,000)
<INCOME-TAX>                                     (976,000)
<INCOME-CONTINUING>                            (5,499,000)
<DISCONTINUED>                                          0
<EXTRAORDINARY>                                         0
<CHANGES>                                               0
<NET-INCOME>                                   (5,499,000)
<EPS-BASIC>                                             0
<EPS-DILUTED>                                           0