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Disclosure - Dispositions link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Earnings Per Share, Share Repurchases and Dividends on Common Stock link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Accounts Receivable, Net link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Unbilled Receivables, Net link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Inventoried Costs, Net link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Goodwill and Other Purchased Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Investigations, Claims and Litigation link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Retirement Benefits link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stock Compensation Plans and Other Compensation Arrangements link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Earnings Per Share, Share Repurchases and Dividends on Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Accounts Receivable, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Unbilled Receivables, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Inventoried Costs, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Goodwill and Other Purchased Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Retirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Stock Compensation Plans and Other Compensation Arrangements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Amounts in Paragraphs - Summary of Significant Accounting Policies (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Summary of Significant Accounting Policies Property, Plant and Equipment (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Summary of Significant Accounting Policies Non-cash Investing and Financing Activities (Details 3) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Summary of Significant Accounting Policies Accumulated Other Comprehensive Income (Loss) (Details 4) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Summary of Significant Accounting Policies Contract Estimates (Details 5) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Summary of Significant Accounting Policies Backlog and Contract Assets and Liabilities (Details 6) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Summary of Significant Accounting Policies Backlog and Contract Assets and Liabilities (Details 6) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Summary of Significant Accounting Policies Sale of Minority Investment (Details 7) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Summary of Significant Accounting Policies Dispositions (Details 7) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Earnings Per Share, Dividends and Dilution (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Earnings Per Share, Share Repurchases (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Unbilled Receivables, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Inventoried Costs, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Income Taxes Federal and Foreign Income Tax Expense (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Income Taxes Effective Income Tax Rate Reconciliation (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Income Taxes Paid (Details 3) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Income Taxes Unrecognized Tax Benefits (Details 4) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Income Taxes Deferred Income Taxes (Details 5) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Amounts in Paragraphs - Income Taxes (Details 6) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Goodwill and Other Purchased Intangible Assets Goodwill Rollforward (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Goodwill and Other Purchased Intangible Assets Other Purchased Intangible Assets (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Goodwill and Other Purchased Intangible Assets Future Amortization of Purchased Intangibles (Details 3) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Goodwill and Other Purchased Intangible Assets Amounts in Paragraphs - Goodwill and Other Purchased Intangible Assets (Details 4) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Fair Value of Financial Instruments (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Fair Value of Financial Instruments Amounts in Paragraphs - Fair Value of Financial Instruments (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Debt Fixed-rate Notes and Other (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Debt Maturities of Long-term Debt (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Amounts in Paragraphs - Debt (Details 3) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Investigations, Claims and Litigation Investigations, Claims and Litigation (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Commitments and Contingencies (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955556 - 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Disclosure - Retirement Benefits Estimated Future Benefit Payments (Details 8) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Retirement Benefits Amounts in Paragraphs - Retirement Benefits (Details 9) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Stock Compensation Plans Compensation Expense (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Stock Compensation Plans Stock Awards (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Stock Compensation Plans Cash Awards (Details 3) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Leases Total Lease Cost (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Leases Balance Sheet (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Leases Lease Other Supplemental Information (Details 3) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Leases Lease Maturities (Details 4) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Segment Reporting (Basis and CODM Disclosures) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Segment Information Reconciliation to Consolidated Operating Income (Details 1) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Segment Information Sales by Customer Type (Details 2) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Segment Information Sales by Contract Type (Details 3) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Segment Information Sales by Geographic Location (Details 4) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Segment Information Segment Sales (Details 5) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Segment Information Intersegment Sales and Operating Income (Details 6) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Segment Information Capital Expenditures and Depreciation and Amortization (Details 7) link:presentationLink link:calculationLink link:definitionLink