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which can generally be recovered through the pricing of products and services to the U.S. government. Previously, the Company’s individual segment results included FAS pension expense or income, which consisted of CAS pension expense and an adjust- ment to reconcile CAS pension expense to FAS pension expense or income. Information for all periods presented was restated to reflect these changes. 

Segment net sales and operating income generally include intersegment sales and profit recorded at cost plus a specified fee, which may differ from what the selling entity would be able to obtain on external sales. Corporate and Eliminations include Company-wide accruals and over/under applied overhead that have not been attributed to a particular segment and intersegment sales and profit eliminations. 

Segment financial results were as follows: 

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Intersegment sales in 2003, 2002, and 2001, respectively, were $140 million, $103 million, and $105 million for Integrated Defense Systems, $52 million, $35 million, and $26 million for Intelligence and Information Systems, $7 million, $1 million, and $1 million for Missile Systems, $316 million, $218 million, and $223 million for Network Centric Systems, $402 million, $298 million, and $320 million for Space and Airborne Systems, $529 million, $590 million, and $537 million for Technical Services, and $2 mil- lion, $3 million, and $4 million for Aircraft. Aircraft net sales do not include intersegment aircraft sales to FO. 

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Aircraft operating income does not include profit on interseg- ment aircraft sales to FO until the underlying aircraft has been sold by FO. 

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