<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF EARNINGS AT AND 
FOR THE THREE MONTHS ENDED MARCH 31, 1995 AND IS QUALIFIED IN ITS 
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000820736
<NAME> ORBITAL SCIENCES CORP /DE/
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               MAR-31-1995
<CASH>                                           4,371
<SECURITIES>                                     9,427
<RECEIVABLES>                                  101,086
<ALLOWANCES>                                     (692)
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<DEPRECIATION>                                (35,274)
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<CGS>                                           49,487
<TOTAL-COSTS>                                   49,487
<OTHER-EXPENSES>                                     0
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